20518718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{1109}}^1$

素因数の和:1180

約数の個数: 24

約数和(自身を含む): 34805160

約数和(自身を除く): 14286442

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 841, 1109, 1682, 2218, 9251, 12199, 18502, 24398, 32161, 64322, 353771, 707542, 932669, 1865338, 10259359, 20518718]

約数ペア:

[(1, 20518718), (2, 10259359), (11, 1865338), (22, 932669), (29, 707542), (58, 353771), (319, 64322), (638, 32161), (841, 24398), (1109, 18502), (1682, 12199), (2218, 9251)]