20179933240

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4464587}}^1$

素因数の和:4464711

約数の個数: 32

約数和(自身を含む): 45806672880

約数和(自身を除く): 25626739640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 4464587, 8929174, 17858348, 22322935, 35716696, 44645870, 89291740, 178583480, 504498331, 1008996662, 2017993324, 2522491655, 4035986648, 5044983310, 10089966620, 20179933240]

約数ペア:

[(1, 20179933240), (2, 10089966620), (4, 5044983310), (5, 4035986648), (8, 2522491655), (10, 2017993324), (20, 1008996662), (40, 504498331), (113, 178583480), (226, 89291740), (452, 44645870), (565, 35716696), (904, 22322935), (1130, 17858348), (2260, 8929174), (4520, 4464587)]