20433968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67217}}^1$

素因数の和:67244

約数の個数: 20

約数和(自身を含む): 41675160

約数和(自身を除く): 21241192

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67217, 134434, 268868, 537736, 1075472, 1277123, 2554246, 5108492, 10216984, 20433968]

約数ペア:

[(1, 20433968), (2, 10216984), (4, 5108492), (8, 2554246), (16, 1277123), (19, 1075472), (38, 537736), (76, 268868), (152, 134434), (304, 67217)]