20902212

素因数分解:

$2^2\times 3^4\times {\mathrm{64513}}^1$

素因数の和:64529

約数の個数: 30

約数和(自身を含む): 54643358

約数和(自身を除く): 33741146

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64513, 129026, 193539, 258052, 387078, 580617, 774156, 1161234, 1741851, 2322468, 3483702, 5225553, 6967404, 10451106, 20902212]

約数ペア:

[(1, 20902212), (2, 10451106), (3, 6967404), (4, 5225553), (6, 3483702), (9, 2322468), (12, 1741851), (18, 1161234), (27, 774156), (36, 580617), (54, 387078), (81, 258052), (108, 193539), (162, 129026), (324, 64513)]