4020605

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:356

約数の個数: 16

約数和(自身を含む): 5026944

約数和(自身を除く): 1006339

約数列:

[1, 5, 37, 103, 185, 211, 515, 1055, 3811, 7807, 19055, 21733, 39035, 108665, 804121, 4020605]

約数ペア:

[(1, 4020605), (5, 804121), (37, 108665), (103, 39035), (185, 21733), (211, 19055), (515, 7807), (1055, 3811)]