20428528

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{44027}}^1$

素因数の和:44064

約数の個数: 20

約数和(自身を含む): 40946040

約数和(自身を除く): 20517512

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 44027, 88054, 176108, 352216, 704432, 1276783, 2553566, 5107132, 10214264, 20428528]

約数ペア:

[(1, 20428528), (2, 10214264), (4, 5107132), (8, 2553566), (16, 1276783), (29, 704432), (58, 352216), (116, 176108), (232, 88054), (464, 44027)]