220348528

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{205549}}^1$

素因数の和:205624

約数の個数: 20

約数和(自身を含む): 433299400

約数和(自身を除く): 212950872

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 205549, 411098, 822196, 1644392, 3288784, 13771783, 27543566, 55087132, 110174264, 220348528]

約数ペア:

[(1, 220348528), (2, 110174264), (4, 55087132), (8, 27543566), (16, 13771783), (67, 3288784), (134, 1644392), (268, 822196), (536, 411098), (1072, 205549)]