20105410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5333}}^1$

素因数の和:5382

約数の個数: 32

約数和(自身を含む): 40325040

約数和(自身を除く): 20219630

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5333, 10666, 26665, 53330, 69329, 138658, 154657, 309314, 346645, 693290, 773285, 1546570, 2010541, 4021082, 10052705, 20105410]

約数ペア:

[(1, 20105410), (2, 10052705), (5, 4021082), (10, 2010541), (13, 1546570), (26, 773285), (29, 693290), (58, 346645), (65, 309314), (130, 154657), (145, 138658), (290, 69329), (377, 53330), (754, 26665), (1885, 10666), (3770, 5333)]