20042220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30367}}^1$

素因数の和:30390

約数の個数: 48

約数和(自身を含む): 61221888

約数和(自身を除く): 41179668

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 30367, 60734, 91101, 121468, 151835, 182202, 303670, 334037, 364404, 455505, 607340, 668074, 911010, 1002111, 1336148, 1670185, 1822020, 2004222, 3340370, 4008444, 5010555, 6680740, 10021110, 20042220]

約数ペア:

[(1, 20042220), (2, 10021110), (3, 6680740), (4, 5010555), (5, 4008444), (6, 3340370), (10, 2004222), (11, 1822020), (12, 1670185), (15, 1336148), (20, 1002111), (22, 911010), (30, 668074), (33, 607340), (44, 455505), (55, 364404), (60, 334037), (66, 303670), (110, 182202), (132, 151835), (165, 121468), (220, 91101), (330, 60734), (660, 30367)]