20157566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70481}}^1$

素因数の和:70507

約数の個数: 16

約数和(自身を含む): 35522928

約数和(自身を除く): 15365362

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 70481, 140962, 775291, 916253, 1550582, 1832506, 10078783, 20157566]

約数ペア:

[(1, 20157566), (2, 10078783), (11, 1832506), (13, 1550582), (22, 916253), (26, 775291), (143, 140962), (286, 70481)]