20905550

素因数分解:

$2^1\times 5^2\times {\mathrm{293}}^1\times {\mathrm{1427}}^1$

素因数の和:1732

約数の個数: 24

約数和(自身を含む): 39044376

約数和(自身を除く): 18138826

約数列:

[1, 2, 5, 10, 25, 50, 293, 586, 1427, 1465, 2854, 2930, 7135, 7325, 14270, 14650, 35675, 71350, 418111, 836222, 2090555, 4181110, 10452775, 20905550]

約数ペア:

[(1, 20905550), (2, 10452775), (5, 4181110), (10, 2090555), (25, 836222), (50, 418111), (293, 71350), (586, 35675), (1427, 14650), (1465, 14270), (2854, 7325), (2930, 7135)]