20218166

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:764

約数の個数: 24

約数和(自身を含む): 32836104

約数和(自身を除く): 12617938

約数列:

[1, 2, 19, 38, 41, 82, 361, 683, 722, 779, 1366, 1558, 12977, 14801, 25954, 28003, 29602, 56006, 246563, 493126, 532057, 1064114, 10109083, 20218166]

約数ペア:

[(1, 20218166), (2, 10109083), (19, 1064114), (38, 532057), (41, 493126), (82, 246563), (361, 56006), (683, 29602), (722, 28003), (779, 25954), (1366, 14801), (1558, 12977)]