20743710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53189}}^1$

素因数の和:53212

約数の個数: 32

約数和(自身を含む): 53615520

約数和(自身を除く): 32871810

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53189, 106378, 159567, 265945, 319134, 531890, 691457, 797835, 1382914, 1595670, 2074371, 3457285, 4148742, 6914570, 10371855, 20743710]

約数ペア:

[(1, 20743710), (2, 10371855), (3, 6914570), (5, 4148742), (6, 3457285), (10, 2074371), (13, 1595670), (15, 1382914), (26, 797835), (30, 691457), (39, 531890), (65, 319134), (78, 265945), (130, 159567), (195, 106378), (390, 53189)]