20649291247

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1511}}^1\times {\mathrm{61837}}^1$

素因数の和:63378

約数の個数: 16

約数和(自身を含む): 23561762112

約数和(自身を除く): 2912470865

約数列:

[1, 13, 17, 221, 1511, 19643, 25687, 61837, 333931, 803881, 1051229, 13665977, 93435707, 1214664191, 1588407019, 20649291247]

約数ペア:

[(1, 20649291247), (13, 1588407019), (17, 1214664191), (221, 93435707), (1511, 13665977), (19643, 1051229), (25687, 803881), (61837, 333931)]