20296895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2683}}^1$

素因数の和:2794

約数の個数: 16

約数和(自身を含む): 26088480

約数和(自身を除く): 5791585

約数列:

[1, 5, 17, 85, 89, 445, 1513, 2683, 7565, 13415, 45611, 228055, 238787, 1193935, 4059379, 20296895]

約数ペア:

[(1, 20296895), (5, 4059379), (17, 1193935), (85, 238787), (89, 228055), (445, 45611), (1513, 13415), (2683, 7565)]