20654904

素因数分解:

$2^3\times 3^1\times {\mathrm{101}}^1\times {\mathrm{8521}}^1$

素因数の和:8631

約数の個数: 32

約数和(自身を含む): 52154640

約数和(自身を除く): 31499736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 101, 202, 303, 404, 606, 808, 1212, 2424, 8521, 17042, 25563, 34084, 51126, 68168, 102252, 204504, 860621, 1721242, 2581863, 3442484, 5163726, 6884968, 10327452, 20654904]

約数ペア:

[(1, 20654904), (2, 10327452), (3, 6884968), (4, 5163726), (6, 3442484), (8, 2581863), (12, 1721242), (24, 860621), (101, 204504), (202, 102252), (303, 68168), (404, 51126), (606, 34084), (808, 25563), (1212, 17042), (2424, 8521)]