20187027497

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{519521}}^1$

素因数の和:519609

約数の個数: 24

約数和(自身を含む): 25703870472

約数和(自身を除く): 5516842975

約数列:

[1, 7, 13, 49, 61, 91, 427, 637, 793, 2989, 5551, 38857, 519521, 3636647, 6753773, 25456529, 31690781, 47276411, 221835467, 330934877, 411980153, 1552848269, 2883861071, 20187027497]

約数ペア:

[(1, 20187027497), (7, 2883861071), (13, 1552848269), (49, 411980153), (61, 330934877), (91, 221835467), (427, 47276411), (637, 31690781), (793, 25456529), (2989, 6753773), (5551, 3636647), (38857, 519521)]