20807841664

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{7067881}}^1$

素因数の和:7067918

約数の個数: 32

約数和(自身を含む): 43255437840

約数和(自身を除く): 22447596176

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 7067881, 14135762, 28271524, 56543048, 113086096, 162561263, 226172192, 325122526, 452344384, 650245052, 904688768, 1300490104, 2600980208, 5201960416, 10403920832, 20807841664]

約数ペア:

[(1, 20807841664), (2, 10403920832), (4, 5201960416), (8, 2600980208), (16, 1300490104), (23, 904688768), (32, 650245052), (46, 452344384), (64, 325122526), (92, 226172192), (128, 162561263), (184, 113086096), (368, 56543048), (736, 28271524), (1472, 14135762), (2944, 7067881)]