20100376920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12884857}}^1$

素因数の和:12884884

約数の個数: 64

約数和(自身を含む): 64939684320

約数和(自身を除く): 44839307400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12884857, 25769714, 38654571, 51539428, 64424285, 77309142, 103078856, 128848570, 154618284, 167503141, 193272855, 257697140, 309236568, 335006282, 386545710, 502509423, 515394280, 670012564, 773091420, 837515705, 1005018846, 1340025128, 1546182840, 1675031410, 2010037692, 2512547115, 3350062820, 4020075384, 5025094230, 6700125640, 10050188460, 20100376920]

約数ペア:

[(1, 20100376920), (2, 10050188460), (3, 6700125640), (4, 5025094230), (5, 4020075384), (6, 3350062820), (8, 2512547115), (10, 2010037692), (12, 1675031410), (13, 1546182840), (15, 1340025128), (20, 1005018846), (24, 837515705), (26, 773091420), (30, 670012564), (39, 515394280), (40, 502509423), (52, 386545710), (60, 335006282), (65, 309236568), (78, 257697140), (104, 193272855), (120, 167503141), (130, 154618284), (156, 128848570), (195, 103078856), (260, 77309142), (312, 64424285), (390, 51539428), (520, 38654571), (780, 25769714), (1560, 12884857)]