20955016

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{154081}}^1$

素因数の和:154104

約数の個数: 16

約数和(自身を含む): 41602140

約数和(自身を除く): 20647124

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 154081, 308162, 616324, 1232648, 2619377, 5238754, 10477508, 20955016]

約数ペア:

[(1, 20955016), (2, 10477508), (4, 5238754), (8, 2619377), (17, 1232648), (34, 616324), (68, 308162), (136, 154081)]