20214481

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 23742720

約数和(自身を除く): 3528239

約数列:

[1, 7, 71, 89, 457, 497, 623, 3199, 6319, 32447, 40673, 44233, 227129, 284711, 2887783, 20214481]

約数ペア:

[(1, 20214481), (7, 2887783), (71, 284711), (89, 227129), (457, 44233), (497, 40673), (623, 32447), (3199, 6319)]