20962766

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^2\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 36

約数和(自身を含む): 36143016

約数和(自身を除く): 15180250

約数列:

[1, 2, 11, 22, 29, 58, 103, 121, 206, 242, 319, 638, 841, 1133, 1682, 2266, 2987, 3509, 5974, 7018, 9251, 12463, 18502, 24926, 32857, 65714, 86623, 101761, 173246, 203522, 361427, 722854, 952853, 1905706, 10481383, 20962766]

約数ペア:

[(1, 20962766), (2, 10481383), (11, 1905706), (22, 952853), (29, 722854), (58, 361427), (103, 203522), (121, 173246), (206, 101761), (242, 86623), (319, 65714), (638, 32857), (841, 24926), (1133, 18502), (1682, 12463), (2266, 9251), (2987, 7018), (3509, 5974)]