20724572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1423}}^1$

素因数の和:1769

約数の個数: 24

約数和(自身を含む): 39712512

約数和(自身を除く): 18987940

約数列:

[1, 2, 4, 11, 22, 44, 331, 662, 1324, 1423, 2846, 3641, 5692, 7282, 14564, 15653, 31306, 62612, 471013, 942026, 1884052, 5181143, 10362286, 20724572]

約数ペア:

[(1, 20724572), (2, 10362286), (4, 5181143), (11, 1884052), (22, 942026), (44, 471013), (331, 62612), (662, 31306), (1324, 15653), (1423, 14564), (2846, 7282), (3641, 5692)]