20202809

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1699}}^1$

素因数の和:1780

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 3297991

約数列:

[1, 11, 23, 47, 253, 517, 1081, 1699, 11891, 18689, 39077, 79853, 429847, 878383, 1836619, 20202809]

約数ペア:

[(1, 20202809), (11, 1836619), (23, 878383), (47, 429847), (253, 79853), (517, 39077), (1081, 18689), (1699, 11891)]