20464101

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2371}}^1$

素因数の和:2521

約数の個数: 24

約数和(自身を含む): 34042944

約数和(自身を除く): 13578843

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2371, 2877, 7113, 8631, 16597, 21339, 49791, 149373, 324827, 974481, 2273789, 2923443, 6821367, 20464101]

約数ペア:

[(1, 20464101), (3, 6821367), (7, 2923443), (9, 2273789), (21, 974481), (63, 324827), (137, 149373), (411, 49791), (959, 21339), (1233, 16597), (2371, 8631), (2877, 7113)]