20568856

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33391}}^1$

素因数の和:33415

約数の個数: 32

約数和(自身を含む): 48084480

約数和(自身を除く): 27515624

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 33391, 66782, 133564, 233737, 267128, 367301, 467474, 734602, 934948, 1469204, 1869896, 2571107, 2938408, 5142214, 10284428, 20568856]

約数ペア:

[(1, 20568856), (2, 10284428), (4, 5142214), (7, 2938408), (8, 2571107), (11, 1869896), (14, 1469204), (22, 934948), (28, 734602), (44, 467474), (56, 367301), (77, 267128), (88, 233737), (154, 133564), (308, 66782), (616, 33391)]