20386920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{169891}}^1$

素因数の和:169905

約数の個数: 32

約数和(自身を含む): 61161120

約数和(自身を除く): 40774200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 169891, 339782, 509673, 679564, 849455, 1019346, 1359128, 1698910, 2038692, 2548365, 3397820, 4077384, 5096730, 6795640, 10193460, 20386920]

約数ペア:

[(1, 20386920), (2, 10193460), (3, 6795640), (4, 5096730), (5, 4077384), (6, 3397820), (8, 2548365), (10, 2038692), (12, 1698910), (15, 1359128), (20, 1019346), (24, 849455), (30, 679564), (40, 509673), (60, 339782), (120, 169891)]