20123248576

素因数分解:

$2^6\times {\mathrm{821}}^1\times {\mathrm{382979}}^1$

素因数の和:383812

約数の個数: 28

約数和(自身を含む): 39980814120

約数和(自身を除く): 19857565544

約数列:

[1, 2, 4, 8, 16, 32, 64, 821, 1642, 3284, 6568, 13136, 26272, 52544, 382979, 765958, 1531916, 3063832, 6127664, 12255328, 24510656, 314425759, 628851518, 1257703036, 2515406072, 5030812144, 10061624288, 20123248576]

約数ペア:

[(1, 20123248576), (2, 10061624288), (4, 5030812144), (8, 2515406072), (16, 1257703036), (32, 628851518), (64, 314425759), (821, 24510656), (1642, 12255328), (3284, 6127664), (6568, 3063832), (13136, 1531916), (26272, 765958), (52544, 382979)]