20975778

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37591}}^1$

素因数の和:37630

約数の個数: 24

約数和(自身を含む): 46914816

約数和(自身を除く): 25939038

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 37591, 75182, 112773, 225546, 338319, 676638, 1165321, 2330642, 3495963, 6991926, 10487889, 20975778]

約数ペア:

[(1, 20975778), (2, 10487889), (3, 6991926), (6, 3495963), (9, 2330642), (18, 1165321), (31, 676638), (62, 338319), (93, 225546), (186, 112773), (279, 75182), (558, 37591)]