1902051220

素因数分解:

$2^2\times 5^1\times {\mathrm{95102561}}^1$

素因数の和:95102570

約数の個数: 12

約数和(自身を含む): 3994307604

約数和(自身を除く): 2092256384

約数列:

[1, 2, 4, 5, 10, 20, 95102561, 190205122, 380410244, 475512805, 951025610, 1902051220]

約数ペア:

[(1, 1902051220), (2, 951025610), (4, 475512805), (5, 380410244), (10, 190205122), (20, 95102561)]