20615497

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 24393600

約数和(自身を除く): 3778103

約数列:

[1, 7, 41, 109, 287, 659, 763, 4469, 4613, 27019, 31283, 71831, 189133, 502817, 2945071, 20615497]

約数ペア:

[(1, 20615497), (7, 2945071), (41, 502817), (109, 189133), (287, 71831), (659, 31283), (763, 27019), (4469, 4613)]