20189384

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61553}}^1$

素因数の和:61600

約数の個数: 16

約数和(自身を含む): 38779020

約数和(自身を除く): 18589636

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 61553, 123106, 246212, 492424, 2523673, 5047346, 10094692, 20189384]

約数ペア:

[(1, 20189384), (2, 10094692), (4, 5047346), (8, 2523673), (41, 492424), (82, 246212), (164, 123106), (328, 61553)]