20001644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5741}}^1$

素因数の和:5825

約数の個数: 24

約数和(自身を含む): 38264688

約数和(自身を除く): 18263044

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 5741, 11482, 22964, 74633, 149266, 298532, 384647, 769294, 1538588, 5000411, 10000822, 20001644]

約数ペア:

[(1, 20001644), (2, 10000822), (4, 5000411), (13, 1538588), (26, 769294), (52, 384647), (67, 298532), (134, 149266), (268, 74633), (871, 22964), (1742, 11482), (3484, 5741)]