20019710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{117763}}^1$

素因数の和:117787

約数の個数: 16

約数和(自身を含む): 38155536

約数和(自身を除く): 18135826

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 117763, 235526, 588815, 1177630, 2001971, 4003942, 10009855, 20019710]

約数ペア:

[(1, 20019710), (2, 10009855), (5, 4003942), (10, 2001971), (17, 1177630), (34, 588815), (85, 235526), (170, 117763)]