20401160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39233}}^1$

素因数の和:39257

約数の個数: 32

約数和(自身を含む): 49434840

約数和(自身を除く): 29033680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 39233, 78466, 156932, 196165, 313864, 392330, 510029, 784660, 1020058, 1569320, 2040116, 2550145, 4080232, 5100290, 10200580, 20401160]

約数ペア:

[(1, 20401160), (2, 10200580), (4, 5100290), (5, 4080232), (8, 2550145), (10, 2040116), (13, 1569320), (20, 1020058), (26, 784660), (40, 510029), (52, 392330), (65, 313864), (104, 196165), (130, 156932), (260, 78466), (520, 39233)]