20449035

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23917}}^1$

素因数の和:23947

約数の個数: 24

約数和(自身を含む): 37312080

約数和(自身を除く): 16863045

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 23917, 71751, 119585, 215253, 358755, 454423, 1076265, 1363269, 2272115, 4089807, 6816345, 20449035]

約数ペア:

[(1, 20449035), (3, 6816345), (5, 4089807), (9, 2272115), (15, 1363269), (19, 1076265), (45, 454423), (57, 358755), (95, 215253), (171, 119585), (285, 71751), (855, 23917)]