20847598

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13381}}^1$

素因数の和:13443

約数の個数: 16

約数和(自身を含む): 33722640

約数和(自身を除く): 12875042

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 13381, 26762, 254239, 508478, 548621, 1097242, 10423799, 20847598]

約数ペア:

[(1, 20847598), (2, 10423799), (19, 1097242), (38, 548621), (41, 508478), (82, 254239), (779, 26762), (1558, 13381)]