20572057

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 24447528

約数和(自身を除く): 3875471

約数列:

[1, 11, 17, 73, 121, 137, 187, 803, 1241, 1507, 2057, 2329, 8833, 10001, 13651, 16577, 25619, 110011, 150161, 170017, 281809, 1210121, 1870187, 20572057]

約数ペア:

[(1, 20572057), (11, 1870187), (17, 1210121), (73, 281809), (121, 170017), (137, 150161), (187, 110011), (803, 25619), (1241, 16577), (1507, 13651), (2057, 10001), (2329, 8833)]