20951470

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15073}}^1$

素因数の和:15219

約数の個数: 16

約数和(自身を含む): 37986480

約数和(自身を除く): 17035010

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 15073, 30146, 75365, 150730, 2095147, 4190294, 10475735, 20951470]

約数ペア:

[(1, 20951470), (2, 10475735), (5, 4190294), (10, 2095147), (139, 150730), (278, 75365), (695, 30146), (1390, 15073)]