17201980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{8867}}^1$

素因数の和:8973

約数の個数: 24

約数和(自身を含む): 36500688

約数和(自身を除く): 19298708

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 8867, 17734, 35468, 44335, 88670, 177340, 860099, 1720198, 3440396, 4300495, 8600990, 17201980]

約数ペア:

[(1, 17201980), (2, 8600990), (4, 4300495), (5, 3440396), (10, 1720198), (20, 860099), (97, 177340), (194, 88670), (388, 44335), (485, 35468), (970, 17734), (1940, 8867)]