201453820

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{10103}}^1$

素因数の和:11109

約数の個数: 24

約数和(自身を含む): 423519264

約数和(自身を除く): 222065444

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3988, 4985, 9970, 10103, 19940, 20206, 40412, 50515, 101030, 202060, 10072691, 20145382, 40290764, 50363455, 100726910, 201453820]

約数ペア:

[(1, 201453820), (2, 100726910), (4, 50363455), (5, 40290764), (10, 20145382), (20, 10072691), (997, 202060), (1994, 101030), (3988, 50515), (4985, 40412), (9970, 20206), (10103, 19940)]