20486245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1163}}^1$

素因数の和:1452

約数の個数: 16

約数和(自身を含む): 26595072

約数和(自身を除く): 6108827

約数列:

[1, 5, 13, 65, 271, 1163, 1355, 3523, 5815, 15119, 17615, 75595, 315173, 1575865, 4097249, 20486245]

約数ペア:

[(1, 20486245), (5, 4097249), (13, 1575865), (65, 315173), (271, 75595), (1163, 17615), (1355, 15119), (3523, 5815)]