20079004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7481}}^1$

素因数の和:7557

約数の個数: 24

約数和(自身を含む): 38966256

約数和(自身を除く): 18887252

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7481, 14962, 29924, 82291, 164582, 329164, 456341, 912682, 1825364, 5019751, 10039502, 20079004]

約数ペア:

[(1, 20079004), (2, 10039502), (4, 5019751), (11, 1825364), (22, 912682), (44, 456341), (61, 329164), (122, 164582), (244, 82291), (671, 29924), (1342, 14962), (2684, 7481)]