20667818

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{10303}}^1$

素因数の和:10381

約数の個数: 16

約数和(自身を含む): 33384960

約数和(自身を除く): 12717142

約数列:

[1, 2, 17, 34, 59, 118, 1003, 2006, 10303, 20606, 175151, 350302, 607877, 1215754, 10333909, 20667818]

約数ペア:

[(1, 20667818), (2, 10333909), (17, 1215754), (34, 607877), (59, 350302), (118, 175151), (1003, 20606), (2006, 10303)]