20753890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5749}}^1$

素因数の和:5794

約数の個数: 24

約数和(自身を含む): 39433500

約数和(自身を除く): 18679610

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 5749, 11498, 28745, 57490, 109231, 218462, 546155, 1092310, 2075389, 4150778, 10376945, 20753890]

約数ペア:

[(1, 20753890), (2, 10376945), (5, 4150778), (10, 2075389), (19, 1092310), (38, 546155), (95, 218462), (190, 109231), (361, 57490), (722, 28745), (1805, 11498), (3610, 5749)]