20280675

素因数分解:

$3^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{2393}}^1$

素因数の和:2519

約数の個数: 24

約数和(自身を含む): 33841584

約数和(自身を除く): 13560909

約数列:

[1, 3, 5, 15, 25, 75, 113, 339, 565, 1695, 2393, 2825, 7179, 8475, 11965, 35895, 59825, 179475, 270409, 811227, 1352045, 4056135, 6760225, 20280675]

約数ペア:

[(1, 20280675), (3, 6760225), (5, 4056135), (15, 1352045), (25, 811227), (75, 270409), (113, 179475), (339, 59825), (565, 35895), (1695, 11965), (2393, 8475), (2825, 7179)]