20554384

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9377}}^1$

素因数の和:9522

約数の個数: 20

約数和(自身を含む): 40119084

約数和(自身を除く): 19564700

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9377, 18754, 37508, 75016, 150032, 1284649, 2569298, 5138596, 10277192, 20554384]

約数ペア:

[(1, 20554384), (2, 10277192), (4, 5138596), (8, 2569298), (16, 1284649), (137, 150032), (274, 75016), (548, 37508), (1096, 18754), (2192, 9377)]