20512421688

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:830

約数の個数: 256

約数和(自身を含む): 59576186880

約数和(自身を除く): 39063765192

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 41, 44, 47, 61, 66, 82, 88, 94, 122, 123, 132, 141, 164, 183, 188, 244, 246, 264, 282, 328, 366, 376, 451, 488, 492, 517, 564, 661, 671, 732, 902, 984, 1034, 1128, 1322, 1342, 1353, 1464, 1551, 1804, 1927, 1983, 2013, 2068, 2501, 2644, 2684, 2706, 2867, 3102, 3608, 3854, 3966, 4026, 4136, 5002, 5288, 5368, 5412, 5734, 5781, 6204, 7271, 7503, 7708, 7932, 8052, 8601, 10004, 10824, 11468, 11562, 12408, 14542, 15006, 15416, 15864, 16104, 17202, 20008, 21197, 21813, 22936, 23124, 27101, 27511, 29084, 30012, 31067, 31537, 34404, 40321, 42394, 43626, 46248, 54202, 55022, 58168, 60024, 62134, 63074, 63591, 68808, 80642, 81303, 82533, 84788, 87252, 93201, 94611, 108404, 110044, 117547, 120963, 124268, 126148, 127182, 161284, 162606, 165066, 169576, 174504, 186402, 189222, 216808, 220088, 235094, 241926, 248536, 252296, 254364, 298111, 322568, 325212, 330132, 341737, 352641, 372804, 378444, 443531, 470188, 483852, 508728, 596222, 650424, 660264, 683474, 705282, 745608, 756888, 887062, 894333, 940376, 967704, 1025211, 1192444, 1273747, 1293017, 1330593, 1366948, 1410564, 1653161, 1774124, 1788666, 1895087, 2050422, 2384888, 2547494, 2586034, 2661186, 2733896, 2821128, 3306322, 3548248, 3577332, 3790174, 3821241, 3879051, 4100844, 4959483, 5094988, 5172068, 5322372, 5685261, 6612644, 7154664, 7580348, 7642482, 7758102, 8201688, 9918966, 10189976, 10344136, 10644744, 11370522, 13225288, 14011217, 15160696, 15284964, 15516204, 18184771, 19837932, 20845957, 22741044, 28022434, 30569928, 31032408, 36369542, 39675864, 41691914, 42033651, 45482088, 54554313, 56044868, 62537871, 72739084, 77698567, 83383828, 84067302, 109108626, 112089736, 125075742, 145478168, 155397134, 166767656, 168134604, 218217252, 233095701, 250151484, 310794268, 336269208, 436434504, 466191402, 500302968, 621588536, 854684237, 932382804, 1709368474, 1864765608, 2564052711, 3418736948, 5128105422, 6837473896, 10256210844, 20512421688]

約数ペア:

[(1, 20512421688), (2, 10256210844), (3, 6837473896), (4, 5128105422), (6, 3418736948), (8, 2564052711), (11, 1864765608), (12, 1709368474), (22, 932382804), (24, 854684237), (33, 621588536), (41, 500302968), (44, 466191402), (47, 436434504), (61, 336269208), (66, 310794268), (82, 250151484), (88, 233095701), (94, 218217252), (122, 168134604), (123, 166767656), (132, 155397134), (141, 145478168), (164, 125075742), (183, 112089736), (188, 109108626), (244, 84067302), (246, 83383828), (264, 77698567), (282, 72739084), (328, 62537871), (366, 56044868), (376, 54554313), (451, 45482088), (488, 42033651), (492, 41691914), (517, 39675864), (564, 36369542), (661, 31032408), (671, 30569928), (732, 28022434), (902, 22741044), (984, 20845957), (1034, 19837932), (1128, 18184771), (1322, 15516204), (1342, 15284964), (1353, 15160696), (1464, 14011217), (1551, 13225288), (1804, 11370522), (1927, 10644744), (1983, 10344136), (2013, 10189976), (2068, 9918966), (2501, 8201688), (2644, 7758102), (2684, 7642482), (2706, 7580348), (2867, 7154664), (3102, 6612644), (3608, 5685261), (3854, 5322372), (3966, 5172068), (4026, 5094988), (4136, 4959483), (5002, 4100844), (5288, 3879051), (5368, 3821241), (5412, 3790174), (5734, 3577332), (5781, 3548248), (6204, 3306322), (7271, 2821128), (7503, 2733896), (7708, 2661186), (7932, 2586034), (8052, 2547494), (8601, 2384888), (10004, 2050422), (10824, 1895087), (11468, 1788666), (11562, 1774124), (12408, 1653161), (14542, 1410564), (15006, 1366948), (15416, 1330593), (15864, 1293017), (16104, 1273747), (17202, 1192444), (20008, 1025211), (21197, 967704), (21813, 940376), (22936, 894333), (23124, 887062), (27101, 756888), (27511, 745608), (29084, 705282), (30012, 683474), (31067, 660264), (31537, 650424), (34404, 596222), (40321, 508728), (42394, 483852), (43626, 470188), (46248, 443531), (54202, 378444), (55022, 372804), (58168, 352641), (60024, 341737), (62134, 330132), (63074, 325212), (63591, 322568), (68808, 298111), (80642, 254364), (81303, 252296), (82533, 248536), (84788, 241926), (87252, 235094), (93201, 220088), (94611, 216808), (108404, 189222), (110044, 186402), (117547, 174504), (120963, 169576), (124268, 165066), (126148, 162606), (127182, 161284)]