20602251

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{571}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 31528640

約数和(自身を除く): 10926389

約数列:

[1, 3, 9, 19, 57, 171, 211, 571, 633, 1713, 1899, 4009, 5139, 10849, 12027, 32547, 36081, 97641, 120481, 361443, 1084329, 2289139, 6867417, 20602251]

約数ペア:

[(1, 20602251), (3, 6867417), (9, 2289139), (19, 1084329), (57, 361443), (171, 120481), (211, 97641), (571, 36081), (633, 32547), (1713, 12027), (1899, 10849), (4009, 5139)]