20856372

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{42391}}^1$

素因数の和:42439

約数の個数: 24

約数和(自身を含む): 49852992

約数和(自身を除く): 28996620

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 42391, 84782, 127173, 169564, 254346, 508692, 1738031, 3476062, 5214093, 6952124, 10428186, 20856372]

約数ペア:

[(1, 20856372), (2, 10428186), (3, 6952124), (4, 5214093), (6, 3476062), (12, 1738031), (41, 508692), (82, 254346), (123, 169564), (164, 127173), (246, 84782), (492, 42391)]