20191335

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18959}}^1$

素因数の和:19038

約数の個数: 16

約数和(自身を含む): 32762880

約数和(自身を除く): 12571545

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 18959, 56877, 94795, 284385, 1346089, 4038267, 6730445, 20191335]

約数ペア:

[(1, 20191335), (3, 6730445), (5, 4038267), (15, 1346089), (71, 284385), (213, 94795), (355, 56877), (1065, 18959)]