16896980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{49697}}^1$

素因数の和:49723

約数の個数: 24

約数和(自身を含む): 37571688

約数和(自身を除く): 20674708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 49697, 99394, 198788, 248485, 496970, 844849, 993940, 1689698, 3379396, 4224245, 8448490, 16896980]

約数ペア:

[(1, 16896980), (2, 8448490), (4, 4224245), (5, 3379396), (10, 1689698), (17, 993940), (20, 844849), (34, 496970), (68, 248485), (85, 198788), (170, 99394), (340, 49697)]