20815642

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{967}}^1$

素因数の和:1245

約数の個数: 16

約数和(自身を含む): 32060160

約数和(自身を除く): 11244518

約数列:

[1, 2, 47, 94, 229, 458, 967, 1934, 10763, 21526, 45449, 90898, 221443, 442886, 10407821, 20815642]

約数ペア:

[(1, 20815642), (2, 10407821), (47, 442886), (94, 221443), (229, 90898), (458, 45449), (967, 21526), (1934, 10763)]