20620816

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{24317}}^1$

素因数の和:24378

約数の個数: 20

約数和(自身を含む): 40708332

約数和(自身を除く): 20087516

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 24317, 48634, 97268, 194536, 389072, 1288801, 2577602, 5155204, 10310408, 20620816]

約数ペア:

[(1, 20620816), (2, 10310408), (4, 5155204), (8, 2577602), (16, 1288801), (53, 389072), (106, 194536), (212, 97268), (424, 48634), (848, 24317)]