20084185

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 26860680

約数和(自身を除く): 6776495

約数列:

[1, 5, 11, 55, 89, 121, 373, 445, 605, 979, 1865, 4103, 4895, 10769, 20515, 33197, 45133, 53845, 165985, 225665, 365167, 1825835, 4016837, 20084185]

約数ペア:

[(1, 20084185), (5, 4016837), (11, 1825835), (55, 365167), (89, 225665), (121, 165985), (373, 53845), (445, 45133), (605, 33197), (979, 20515), (1865, 10769), (4103, 4895)]