20501182

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 34511904

約数和(自身を除く): 14010722

約数列:

[1, 2, 13, 26, 37, 74, 101, 202, 211, 422, 481, 962, 1313, 2626, 2743, 3737, 5486, 7474, 7807, 15614, 21311, 42622, 48581, 97162, 101491, 202982, 277043, 554086, 788507, 1577014, 10250591, 20501182]

約数ペア:

[(1, 20501182), (2, 10250591), (13, 1577014), (26, 788507), (37, 554086), (74, 277043), (101, 202982), (202, 101491), (211, 97162), (422, 48581), (481, 42622), (962, 21311), (1313, 15614), (2626, 7807), (2743, 7474), (3737, 5486)]