20522450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31573}}^1$

素因数の和:31598

約数の個数: 24

約数和(自身を含む): 41109348

約数和(自身を除く): 20586898

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31573, 63146, 157865, 315730, 410449, 789325, 820898, 1578650, 2052245, 4104490, 10261225, 20522450]

約数ペア:

[(1, 20522450), (2, 10261225), (5, 4104490), (10, 2052245), (13, 1578650), (25, 820898), (26, 789325), (50, 410449), (65, 315730), (130, 157865), (325, 63146), (650, 31573)]