16686860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2887}}^1$

素因数の和:2930

約数の個数: 36

約数和(自身を含む): 37237872

約数和(自身を除く): 20551012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2887, 2890, 5774, 5780, 11548, 14435, 28870, 49079, 57740, 98158, 196316, 245395, 490790, 834343, 981580, 1668686, 3337372, 4171715, 8343430, 16686860]

約数ペア:

[(1, 16686860), (2, 8343430), (4, 4171715), (5, 3337372), (10, 1668686), (17, 981580), (20, 834343), (34, 490790), (68, 245395), (85, 196316), (170, 98158), (289, 57740), (340, 49079), (578, 28870), (1156, 14435), (1445, 11548), (2887, 5780), (2890, 5774)]