20499178

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{86131}}^1$

素因数の和:86157

約数の個数: 16

約数和(自身を含む): 37209024

約数和(自身を除く): 16709846

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 86131, 172262, 602917, 1205834, 1464227, 2928454, 10249589, 20499178]

約数ペア:

[(1, 20499178), (2, 10249589), (7, 2928454), (14, 1464227), (17, 1205834), (34, 602917), (119, 172262), (238, 86131)]