20345420

素因数分解:

$2^2\times 5^1\times {\mathrm{587}}^1\times {\mathrm{1733}}^1$

素因数の和:2329

約数の個数: 24

約数和(自身を含む): 42822864

約数和(自身を除く): 22477444

約数列:

[1, 2, 4, 5, 10, 20, 587, 1174, 1733, 2348, 2935, 3466, 5870, 6932, 8665, 11740, 17330, 34660, 1017271, 2034542, 4069084, 5086355, 10172710, 20345420]

約数ペア:

[(1, 20345420), (2, 10172710), (4, 5086355), (5, 4069084), (10, 2034542), (20, 1017271), (587, 34660), (1174, 17330), (1733, 11740), (2348, 8665), (2935, 6932), (3466, 5870)]