20515703

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 23040192

約数和(自身を除く): 2524489

約数列:

[1, 13, 41, 61, 533, 631, 793, 2501, 8203, 25871, 32513, 38491, 336323, 500383, 1578131, 20515703]

約数ペア:

[(1, 20515703), (13, 1578131), (41, 500383), (61, 336323), (533, 38491), (631, 32513), (793, 25871), (2501, 8203)]