20361580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59887}}^1$

素因数の和:59913

約数の個数: 24

約数和(自身を含む): 45275328

約数和(自身を除く): 24913748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 59887, 119774, 239548, 299435, 598870, 1018079, 1197740, 2036158, 4072316, 5090395, 10180790, 20361580]

約数ペア:

[(1, 20361580), (2, 10180790), (4, 5090395), (5, 4072316), (10, 2036158), (17, 1197740), (20, 1018079), (34, 598870), (68, 299435), (85, 239548), (170, 119774), (340, 59887)]