20086480

素因数分解:

$2^4\times 5^1\times {\mathrm{251081}}^1$

素因数の和:251094

約数の個数: 20

約数和(自身を含む): 46701252

約数和(自身を除く): 26614772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251081, 502162, 1004324, 1255405, 2008648, 2510810, 4017296, 5021620, 10043240, 20086480]

約数ペア:

[(1, 20086480), (2, 10043240), (4, 5021620), (5, 4017296), (8, 2510810), (10, 2008648), (16, 1255405), (20, 1004324), (40, 502162), (80, 251081)]