20302620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26029}}^1$

素因数の和:26054

約数の個数: 48

約数和(自身を含む): 61222560

約数和(自身を除く): 40919940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 26029, 52058, 78087, 104116, 130145, 156174, 260290, 312348, 338377, 390435, 520580, 676754, 780870, 1015131, 1353508, 1561740, 1691885, 2030262, 3383770, 4060524, 5075655, 6767540, 10151310, 20302620]

約数ペア:

[(1, 20302620), (2, 10151310), (3, 6767540), (4, 5075655), (5, 4060524), (6, 3383770), (10, 2030262), (12, 1691885), (13, 1561740), (15, 1353508), (20, 1015131), (26, 780870), (30, 676754), (39, 520580), (52, 390435), (60, 338377), (65, 312348), (78, 260290), (130, 156174), (156, 130145), (195, 104116), (260, 78087), (390, 52058), (780, 26029)]