20422960

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8803}}^1$

素因数の和:8845

約数の個数: 40

約数和(自身を含む): 49126320

約数和(自身を除く): 28703360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8803, 17606, 35212, 44015, 70424, 88030, 140848, 176060, 255287, 352120, 510574, 704240, 1021148, 1276435, 2042296, 2552870, 4084592, 5105740, 10211480, 20422960]

約数ペア:

[(1, 20422960), (2, 10211480), (4, 5105740), (5, 4084592), (8, 2552870), (10, 2042296), (16, 1276435), (20, 1021148), (29, 704240), (40, 510574), (58, 352120), (80, 255287), (116, 176060), (145, 140848), (232, 88030), (290, 70424), (464, 44015), (580, 35212), (1160, 17606), (2320, 8803)]