19902580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58537}}^1$

素因数の和:58563

約数の個数: 24

約数和(自身を含む): 44254728

約数和(自身を除く): 24352148

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58537, 117074, 234148, 292685, 585370, 995129, 1170740, 1990258, 3980516, 4975645, 9951290, 19902580]

約数ペア:

[(1, 19902580), (2, 9951290), (4, 4975645), (5, 3980516), (10, 1990258), (17, 1170740), (20, 995129), (34, 585370), (68, 292685), (85, 234148), (170, 117074), (340, 58537)]