20911216

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{35323}}^1$

素因数の和:35368

約数の個数: 20

約数和(自身を含む): 41611672

約数和(自身を除く): 20700456

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 35323, 70646, 141292, 282584, 565168, 1306951, 2613902, 5227804, 10455608, 20911216]

約数ペア:

[(1, 20911216), (2, 10455608), (4, 5227804), (8, 2613902), (16, 1306951), (37, 565168), (74, 282584), (148, 141292), (296, 70646), (592, 35323)]