20345950

素因数分解:

$2^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{2731}}^1$

素因数の和:2892

約数の個数: 24

約数和(自身を含む): 38111400

約数和(自身を除く): 17765450

約数列:

[1, 2, 5, 10, 25, 50, 149, 298, 745, 1490, 2731, 3725, 5462, 7450, 13655, 27310, 68275, 136550, 406919, 813838, 2034595, 4069190, 10172975, 20345950]

約数ペア:

[(1, 20345950), (2, 10172975), (5, 4069190), (10, 2034595), (25, 813838), (50, 406919), (149, 136550), (298, 68275), (745, 27310), (1490, 13655), (2731, 7450), (3725, 5462)]