20371572

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 61152000

約数和(自身を除く): 40780428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 29, 36, 38, 39, 52, 57, 58, 76, 78, 79, 87, 114, 116, 117, 156, 158, 171, 174, 228, 234, 237, 247, 261, 316, 342, 348, 377, 468, 474, 494, 522, 551, 684, 711, 741, 754, 948, 988, 1027, 1044, 1102, 1131, 1422, 1482, 1501, 1508, 1653, 2054, 2204, 2223, 2262, 2291, 2844, 2964, 3002, 3081, 3306, 3393, 4108, 4446, 4503, 4524, 4582, 4959, 6004, 6162, 6612, 6786, 6873, 7163, 8892, 9006, 9164, 9243, 9918, 12324, 13509, 13572, 13746, 14326, 18012, 18486, 19513, 19836, 20619, 21489, 27018, 27492, 28652, 29783, 36972, 39026, 41238, 42978, 43529, 54036, 58539, 59566, 64467, 78052, 82476, 85956, 87058, 89349, 117078, 119132, 128934, 130587, 174116, 175617, 178698, 234156, 257868, 261174, 268047, 351234, 357396, 391761, 522348, 536094, 565877, 702468, 783522, 1072188, 1131754, 1567044, 1697631, 2263508, 3395262, 5092893, 6790524, 10185786, 20371572]

約数ペア:

[(1, 20371572), (2, 10185786), (3, 6790524), (4, 5092893), (6, 3395262), (9, 2263508), (12, 1697631), (13, 1567044), (18, 1131754), (19, 1072188), (26, 783522), (29, 702468), (36, 565877), (38, 536094), (39, 522348), (52, 391761), (57, 357396), (58, 351234), (76, 268047), (78, 261174), (79, 257868), (87, 234156), (114, 178698), (116, 175617), (117, 174116), (156, 130587), (158, 128934), (171, 119132), (174, 117078), (228, 89349), (234, 87058), (237, 85956), (247, 82476), (261, 78052), (316, 64467), (342, 59566), (348, 58539), (377, 54036), (468, 43529), (474, 42978), (494, 41238), (522, 39026), (551, 36972), (684, 29783), (711, 28652), (741, 27492), (754, 27018), (948, 21489), (988, 20619), (1027, 19836), (1044, 19513), (1102, 18486), (1131, 18012), (1422, 14326), (1482, 13746), (1501, 13572), (1508, 13509), (1653, 12324), (2054, 9918), (2204, 9243), (2223, 9164), (2262, 9006), (2291, 8892), (2844, 7163), (2964, 6873), (3002, 6786), (3081, 6612), (3306, 6162), (3393, 6004), (4108, 4959), (4446, 4582), (4503, 4524)]