20370480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6529}}^1$

素因数の和:6558

約数の個数: 80

約数和(自身を含む): 68016480

約数和(自身を除く): 47646000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6529, 13058, 19587, 26116, 32645, 39174, 52232, 65290, 78348, 84877, 97935, 104464, 130580, 156696, 169754, 195870, 254631, 261160, 313392, 339508, 391740, 424385, 509262, 522320, 679016, 783480, 848770, 1018524, 1273155, 1358032, 1566960, 1697540, 2037048, 2546310, 3395080, 4074096, 5092620, 6790160, 10185240, 20370480]

約数ペア:

[(1, 20370480), (2, 10185240), (3, 6790160), (4, 5092620), (5, 4074096), (6, 3395080), (8, 2546310), (10, 2037048), (12, 1697540), (13, 1566960), (15, 1358032), (16, 1273155), (20, 1018524), (24, 848770), (26, 783480), (30, 679016), (39, 522320), (40, 509262), (48, 424385), (52, 391740), (60, 339508), (65, 313392), (78, 261160), (80, 254631), (104, 195870), (120, 169754), (130, 156696), (156, 130580), (195, 104464), (208, 97935), (240, 84877), (260, 78348), (312, 65290), (390, 52232), (520, 39174), (624, 32645), (780, 26116), (1040, 19587), (1560, 13058), (3120, 6529)]