20461371

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1277}}^1$

素因数の和:1403

約数の個数: 24

約数和(自身を含む): 32052240

約数和(自身を除く): 11590869

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 1277, 2289, 3831, 5341, 8939, 16023, 26817, 62573, 139193, 187719, 417579, 974351, 2923053, 6820457, 20461371]

約数ペア:

[(1, 20461371), (3, 6820457), (7, 2923053), (21, 974351), (49, 417579), (109, 187719), (147, 139193), (327, 62573), (763, 26817), (1277, 16023), (2289, 8939), (3831, 5341)]