20464743

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16927}}^1$

素因数の和:16974

約数の個数: 16

約数和(自身を含む): 30334976

約数和(自身を除く): 9870233

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 16927, 50781, 220051, 524737, 660153, 1574211, 6821581, 20464743]

約数ペア:

[(1, 20464743), (3, 6821581), (13, 1574211), (31, 660153), (39, 524737), (93, 220051), (403, 50781), (1209, 16927)]