20375277

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 31825920

約数和(自身を除く): 11450643

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 887, 1209, 1767, 2661, 7657, 11531, 16853, 22971, 27497, 34593, 50559, 82491, 219089, 357461, 522443, 657267, 1072383, 1567329, 6791759, 20375277]

約数ペア:

[(1, 20375277), (3, 6791759), (13, 1567329), (19, 1072383), (31, 657267), (39, 522443), (57, 357461), (93, 219089), (247, 82491), (403, 50559), (589, 34593), (741, 27497), (887, 22971), (1209, 16853), (1767, 11531), (2661, 7657)]