20342487880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3556379}}^1$

素因数の和:3556414

約数の個数: 64

約数和(自身を含む): 53772465600

約数和(自身を除く): 33429977720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 3556379, 7112758, 14225516, 17781895, 28451032, 35563790, 39120169, 46232927, 71127580, 78240338, 92465854, 142255160, 156480676, 184931708, 195600845, 231164635, 312961352, 369863416, 391201690, 462329270, 508562197, 782403380, 924658540, 1017124394, 1564806760, 1849317080, 2034248788, 2542810985, 4068497576, 5085621970, 10171243940, 20342487880]

約数ペア:

[(1, 20342487880), (2, 10171243940), (4, 5085621970), (5, 4068497576), (8, 2542810985), (10, 2034248788), (11, 1849317080), (13, 1564806760), (20, 1017124394), (22, 924658540), (26, 782403380), (40, 508562197), (44, 462329270), (52, 391201690), (55, 369863416), (65, 312961352), (88, 231164635), (104, 195600845), (110, 184931708), (130, 156480676), (143, 142255160), (220, 92465854), (260, 78240338), (286, 71127580), (440, 46232927), (520, 39120169), (572, 35563790), (715, 28451032), (1144, 17781895), (1430, 14225516), (2860, 7112758), (5720, 3556379)]