20123847512990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1\times {\mathrm{14544661}}^1$

素因数の和:14545077

約数の個数: 64

約数和(自身を含む): 40464413256960

約数和(自身を除く): 20340565743970

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 367, 377, 734, 754, 1835, 1885, 3670, 3770, 4771, 9542, 10643, 21286, 23855, 47710, 53215, 106430, 138359, 276718, 691795, 1383590, 14544661, 29089322, 72723305, 145446610, 189080593, 378161186, 421795169, 843590338, 945402965, 1890805930, 2108975845, 4217951690, 5337890587, 5483337197, 10675781174, 10966674394, 26689452935, 27416685985, 53378905870, 54833371970, 69392577631, 138785155262, 154798827023, 309597654046, 346962888155, 693925776310, 773994135115, 1547988270230, 2012384751299, 4024769502598, 10061923756495, 20123847512990]

約数ペア:

[(1, 20123847512990), (2, 10061923756495), (5, 4024769502598), (10, 2012384751299), (13, 1547988270230), (26, 773994135115), (29, 693925776310), (58, 346962888155), (65, 309597654046), (130, 154798827023), (145, 138785155262), (290, 69392577631), (367, 54833371970), (377, 53378905870), (734, 27416685985), (754, 26689452935), (1835, 10966674394), (1885, 10675781174), (3670, 5483337197), (3770, 5337890587), (4771, 4217951690), (9542, 2108975845), (10643, 1890805930), (21286, 945402965), (23855, 843590338), (47710, 421795169), (53215, 378161186), (106430, 189080593), (138359, 145446610), (276718, 72723305), (691795, 29089322), (1383590, 14544661)]