20255216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66629}}^1$

素因数の和:66656

約数の個数: 20

約数和(自身を含む): 41310600

約数和(自身を除く): 21055384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66629, 133258, 266516, 533032, 1066064, 1265951, 2531902, 5063804, 10127608, 20255216]

約数ペア:

[(1, 20255216), (2, 10127608), (4, 5063804), (8, 2531902), (16, 1265951), (19, 1066064), (38, 533032), (76, 266516), (152, 133258), (304, 66629)]