20418576984

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{3331}}^1$

素因数の和:3455

約数の個数: 256

約数和(自身を含む): 63814464000

約数和(自身を除く): 43395887016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 37, 39, 52, 54, 59, 72, 74, 78, 104, 108, 111, 117, 118, 148, 156, 177, 216, 222, 234, 236, 296, 312, 333, 351, 354, 444, 468, 472, 481, 531, 666, 702, 708, 767, 888, 936, 962, 999, 1062, 1332, 1404, 1416, 1443, 1534, 1593, 1924, 1998, 2124, 2183, 2301, 2664, 2808, 2886, 3068, 3186, 3331, 3848, 3996, 4248, 4329, 4366, 4602, 5772, 6136, 6372, 6549, 6662, 6903, 7992, 8658, 8732, 9204, 9993, 11544, 12744, 12987, 13098, 13324, 13806, 17316, 17464, 18408, 19647, 19986, 20709, 25974, 26196, 26648, 27612, 28379, 29979, 34632, 39294, 39972, 41418, 43303, 51948, 52392, 55224, 56758, 58941, 59958, 78588, 79944, 82836, 85137, 86606, 89937, 103896, 113516, 117882, 119916, 123247, 129909, 157176, 165672, 170274, 173212, 179874, 196529, 227032, 235764, 239832, 246494, 255411, 259818, 340548, 346424, 359748, 369741, 389727, 393058, 471528, 492988, 510822, 519636, 589587, 681096, 719496, 739482, 766233, 779454, 786116, 985976, 1021644, 1039272, 1109223, 1169181, 1179174, 1478964, 1532466, 1558908, 1572232, 1602211, 1768761, 2043288, 2218446, 2338362, 2358348, 2554877, 2957928, 3064932, 3117816, 3204422, 3327669, 3537522, 4436892, 4676724, 4716696, 4806633, 5109754, 5306283, 6129864, 6408844, 6655338, 7075044, 7271573, 7664631, 8873784, 9353448, 9613266, 10219508, 10612566, 12817688, 13310676, 14150088, 14419899, 14543146, 15329262, 19226532, 20439016, 21225132, 21814719, 22993893, 26621352, 28839798, 29086292, 30658524, 38453064, 42450264, 43259697, 43629438, 45987786, 57679596, 58172584, 61317048, 65444157, 68981679, 86519394, 87258876, 91975572, 94530449, 115359192, 130888314, 137963358, 173038788, 174517752, 183951144, 189060898, 196332471, 261776628, 275926716, 283591347, 346077576, 378121796, 392664942, 523553256, 551853432, 567182694, 756243592, 785329884, 850774041, 1134365388, 1570659768, 1701548082, 2268730776, 2552322123, 3403096164, 5104644246, 6806192328, 10209288492, 20418576984]

約数ペア:

[(1, 20418576984), (2, 10209288492), (3, 6806192328), (4, 5104644246), (6, 3403096164), (8, 2552322123), (9, 2268730776), (12, 1701548082), (13, 1570659768), (18, 1134365388), (24, 850774041), (26, 785329884), (27, 756243592), (36, 567182694), (37, 551853432), (39, 523553256), (52, 392664942), (54, 378121796), (59, 346077576), (72, 283591347), (74, 275926716), (78, 261776628), (104, 196332471), (108, 189060898), (111, 183951144), (117, 174517752), (118, 173038788), (148, 137963358), (156, 130888314), (177, 115359192), (216, 94530449), (222, 91975572), (234, 87258876), (236, 86519394), (296, 68981679), (312, 65444157), (333, 61317048), (351, 58172584), (354, 57679596), (444, 45987786), (468, 43629438), (472, 43259697), (481, 42450264), (531, 38453064), (666, 30658524), (702, 29086292), (708, 28839798), (767, 26621352), (888, 22993893), (936, 21814719), (962, 21225132), (999, 20439016), (1062, 19226532), (1332, 15329262), (1404, 14543146), (1416, 14419899), (1443, 14150088), (1534, 13310676), (1593, 12817688), (1924, 10612566), (1998, 10219508), (2124, 9613266), (2183, 9353448), (2301, 8873784), (2664, 7664631), (2808, 7271573), (2886, 7075044), (3068, 6655338), (3186, 6408844), (3331, 6129864), (3848, 5306283), (3996, 5109754), (4248, 4806633), (4329, 4716696), (4366, 4676724), (4602, 4436892), (5772, 3537522), (6136, 3327669), (6372, 3204422), (6549, 3117816), (6662, 3064932), (6903, 2957928), (7992, 2554877), (8658, 2358348), (8732, 2338362), (9204, 2218446), (9993, 2043288), (11544, 1768761), (12744, 1602211), (12987, 1572232), (13098, 1558908), (13324, 1532466), (13806, 1478964), (17316, 1179174), (17464, 1169181), (18408, 1109223), (19647, 1039272), (19986, 1021644), (20709, 985976), (25974, 786116), (26196, 779454), (26648, 766233), (27612, 739482), (28379, 719496), (29979, 681096), (34632, 589587), (39294, 519636), (39972, 510822), (41418, 492988), (43303, 471528), (51948, 393058), (52392, 389727), (55224, 369741), (56758, 359748), (58941, 346424), (59958, 340548), (78588, 259818), (79944, 255411), (82836, 246494), (85137, 239832), (86606, 235764), (89937, 227032), (103896, 196529), (113516, 179874), (117882, 173212), (119916, 170274), (123247, 165672), (129909, 157176)]