20209940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59441}}^1$

素因数の和:59467

約数の個数: 24

約数和(自身を含む): 44938152

約数和(自身を除く): 24728212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 59441, 118882, 237764, 297205, 594410, 1010497, 1188820, 2020994, 4041988, 5052485, 10104970, 20209940]

約数ペア:

[(1, 20209940), (2, 10104970), (4, 5052485), (5, 4041988), (10, 2020994), (17, 1188820), (20, 1010497), (34, 594410), (68, 297205), (85, 237764), (170, 118882), (340, 59441)]