20102240

素因数分解:

$2^5\times 5^1\times {\mathrm{125639}}^1$

素因数の和:125654

約数の個数: 24

約数和(自身を含む): 47491920

約数和(自身を除く): 27389680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 125639, 251278, 502556, 628195, 1005112, 1256390, 2010224, 2512780, 4020448, 5025560, 10051120, 20102240]

約数ペア:

[(1, 20102240), (2, 10051120), (4, 5025560), (5, 4020448), (8, 2512780), (10, 2010224), (16, 1256390), (20, 1005112), (32, 628195), (40, 502556), (80, 251278), (160, 125639)]