20993608

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{20663}}^1$

素因数の和:20796

約数の個数: 16

約数和(自身を含む): 39674880

約数和(自身を除く): 18681272

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 20663, 41326, 82652, 165304, 2624201, 5248402, 10496804, 20993608]

約数ペア:

[(1, 20993608), (2, 10496804), (4, 5248402), (8, 2624201), (127, 165304), (254, 82652), (508, 41326), (1016, 20663)]