20391028488

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:517

約数の個数: 288

約数和(自身を含む): 61861138560

約数和(自身を除く): 41470110072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 23, 24, 34, 36, 46, 51, 68, 69, 72, 92, 102, 136, 137, 138, 153, 184, 204, 207, 274, 276, 289, 306, 311, 391, 408, 411, 414, 548, 552, 578, 612, 622, 782, 822, 828, 867, 933, 1096, 1156, 1173, 1224, 1233, 1244, 1564, 1644, 1656, 1734, 1866, 2312, 2329, 2346, 2466, 2488, 2601, 2799, 3128, 3151, 3288, 3468, 3519, 3732, 4658, 4692, 4932, 5202, 5287, 5598, 6302, 6647, 6936, 6987, 7038, 7153, 7464, 9316, 9384, 9453, 9864, 10404, 10574, 11196, 12604, 13294, 13974, 14076, 14306, 15861, 18632, 18906, 19941, 20808, 20961, 21148, 21459, 22392, 25208, 26588, 27948, 28152, 28359, 28612, 31722, 37812, 39593, 39882, 41922, 42296, 42607, 42918, 47583, 53176, 53567, 55896, 56718, 57224, 59823, 63444, 64377, 75624, 79186, 79764, 83844, 85214, 85836, 89879, 95166, 107134, 113436, 118779, 119646, 121601, 126888, 127821, 128754, 158372, 159528, 160701, 167688, 170428, 171672, 179758, 190332, 214268, 226872, 237558, 239292, 243202, 255642, 257508, 269637, 316744, 321402, 340856, 356337, 359516, 364803, 380664, 383463, 428536, 475116, 478584, 482103, 486404, 511284, 515016, 539274, 642804, 712674, 719032, 724319, 729606, 766926, 808911, 910639, 950232, 964206, 972808, 979961, 1022568, 1078548, 1094409, 1285608, 1425348, 1448638, 1459212, 1533852, 1617822, 1821278, 1928412, 1959922, 2067217, 2157096, 2172957, 2188818, 2731917, 2850696, 2897276, 2918424, 2939883, 3067704, 3235644, 3642556, 3856824, 3919844, 4134434, 4345914, 4377636, 5463834, 5794552, 5879766, 6201651, 6471288, 6518871, 7285112, 7839688, 8195751, 8268868, 8691828, 8755272, 8819649, 10927668, 11759532, 12313423, 12403302, 13037742, 16391502, 16537736, 16659337, 17383656, 17639298, 18604953, 21855336, 23519064, 24626846, 24806604, 26075484, 32783004, 33318674, 35278596, 36940269, 37209906, 49253692, 49613208, 49978011, 52150968, 65566008, 66637348, 70557192, 73880538, 74419812, 98507384, 99956022, 110820807, 133274696, 147761076, 148839624, 149934033, 199912044, 221641614, 283208729, 295522152, 299868066, 399824088, 443283228, 566417458, 599736132, 849626187, 886566456, 1132834916, 1199472264, 1699252374, 2265669832, 2548878561, 3398504748, 5097757122, 6797009496, 10195514244, 20391028488]

約数ペア:

[(1, 20391028488), (2, 10195514244), (3, 6797009496), (4, 5097757122), (6, 3398504748), (8, 2548878561), (9, 2265669832), (12, 1699252374), (17, 1199472264), (18, 1132834916), (23, 886566456), (24, 849626187), (34, 599736132), (36, 566417458), (46, 443283228), (51, 399824088), (68, 299868066), (69, 295522152), (72, 283208729), (92, 221641614), (102, 199912044), (136, 149934033), (137, 148839624), (138, 147761076), (153, 133274696), (184, 110820807), (204, 99956022), (207, 98507384), (274, 74419812), (276, 73880538), (289, 70557192), (306, 66637348), (311, 65566008), (391, 52150968), (408, 49978011), (411, 49613208), (414, 49253692), (548, 37209906), (552, 36940269), (578, 35278596), (612, 33318674), (622, 32783004), (782, 26075484), (822, 24806604), (828, 24626846), (867, 23519064), (933, 21855336), (1096, 18604953), (1156, 17639298), (1173, 17383656), (1224, 16659337), (1233, 16537736), (1244, 16391502), (1564, 13037742), (1644, 12403302), (1656, 12313423), (1734, 11759532), (1866, 10927668), (2312, 8819649), (2329, 8755272), (2346, 8691828), (2466, 8268868), (2488, 8195751), (2601, 7839688), (2799, 7285112), (3128, 6518871), (3151, 6471288), (3288, 6201651), (3468, 5879766), (3519, 5794552), (3732, 5463834), (4658, 4377636), (4692, 4345914), (4932, 4134434), (5202, 3919844), (5287, 3856824), (5598, 3642556), (6302, 3235644), (6647, 3067704), (6936, 2939883), (6987, 2918424), (7038, 2897276), (7153, 2850696), (7464, 2731917), (9316, 2188818), (9384, 2172957), (9453, 2157096), (9864, 2067217), (10404, 1959922), (10574, 1928412), (11196, 1821278), (12604, 1617822), (13294, 1533852), (13974, 1459212), (14076, 1448638), (14306, 1425348), (15861, 1285608), (18632, 1094409), (18906, 1078548), (19941, 1022568), (20808, 979961), (20961, 972808), (21148, 964206), (21459, 950232), (22392, 910639), (25208, 808911), (26588, 766926), (27948, 729606), (28152, 724319), (28359, 719032), (28612, 712674), (31722, 642804), (37812, 539274), (39593, 515016), (39882, 511284), (41922, 486404), (42296, 482103), (42607, 478584), (42918, 475116), (47583, 428536), (53176, 383463), (53567, 380664), (55896, 364803), (56718, 359516), (57224, 356337), (59823, 340856), (63444, 321402), (64377, 316744), (75624, 269637), (79186, 257508), (79764, 255642), (83844, 243202), (85214, 239292), (85836, 237558), (89879, 226872), (95166, 214268), (107134, 190332), (113436, 179758), (118779, 171672), (119646, 170428), (121601, 167688), (126888, 160701), (127821, 159528), (128754, 158372)]