20648616

素因数分解:

$2^3\times 3^1\times {\mathrm{103}}^1\times {\mathrm{8353}}^1$

素因数の和:8465

約数の個数: 32

約数和(自身を含む): 52128960

約数和(自身を除く): 31480344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 103, 206, 309, 412, 618, 824, 1236, 2472, 8353, 16706, 25059, 33412, 50118, 66824, 100236, 200472, 860359, 1720718, 2581077, 3441436, 5162154, 6882872, 10324308, 20648616]

約数ペア:

[(1, 20648616), (2, 10324308), (3, 6882872), (4, 5162154), (6, 3441436), (8, 2581077), (12, 1720718), (24, 860359), (103, 200472), (206, 100236), (309, 66824), (412, 50118), (618, 33412), (824, 25059), (1236, 16706), (2472, 8353)]