20105969940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15957119}}^1$

素因数の和:15957141

約数の個数: 72

約数和(自身を含む): 69700700160

約数和(自身を除く): 49594730220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15957119, 31914238, 47871357, 63828476, 79785595, 95742714, 111699833, 143614071, 159571190, 191485428, 223399666, 239356785, 287228142, 319142380, 335099499, 446799332, 478713570, 558499165, 574456284, 670198998, 718070355, 957427140, 1005298497, 1116998330, 1340397996, 1436140710, 1675497495, 2010596994, 2233996660, 2872281420, 3350994990, 4021193988, 5026492485, 6701989980, 10052984970, 20105969940]

約数ペア:

[(1, 20105969940), (2, 10052984970), (3, 6701989980), (4, 5026492485), (5, 4021193988), (6, 3350994990), (7, 2872281420), (9, 2233996660), (10, 2010596994), (12, 1675497495), (14, 1436140710), (15, 1340397996), (18, 1116998330), (20, 1005298497), (21, 957427140), (28, 718070355), (30, 670198998), (35, 574456284), (36, 558499165), (42, 478713570), (45, 446799332), (60, 335099499), (63, 319142380), (70, 287228142), (84, 239356785), (90, 223399666), (105, 191485428), (126, 159571190), (140, 143614071), (180, 111699833), (210, 95742714), (252, 79785595), (315, 63828476), (420, 47871357), (630, 31914238), (1260, 15957119)]