20838571

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:402

約数の個数: 16

約数和(自身を含む): 23079168

約数和(自身を除く): 2240597

約数列:

[1, 13, 71, 107, 211, 923, 1391, 2743, 7597, 14981, 22577, 98761, 194753, 293501, 1602967, 20838571]

約数ペア:

[(1, 20838571), (13, 1602967), (71, 293501), (107, 194753), (211, 98761), (923, 22577), (1391, 14981), (2743, 7597)]