20918224

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{56843}}^1$

素因数の和:56874

約数の個数: 20

約数和(自身を含む): 42291936

約数和(自身を除く): 21373712

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 56843, 113686, 227372, 454744, 909488, 1307389, 2614778, 5229556, 10459112, 20918224]

約数ペア:

[(1, 20918224), (2, 10459112), (4, 5229556), (8, 2614778), (16, 1307389), (23, 909488), (46, 454744), (92, 227372), (184, 113686), (368, 56843)]