20007949820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{206651}}^1$

素因数の和:206810

約数の個数: 48

約数和(自身を含む): 43327484928

約数和(自身を除く): 23319535108

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 103, 188, 206, 235, 412, 470, 515, 940, 1030, 2060, 4841, 9682, 19364, 24205, 48410, 96820, 206651, 413302, 826604, 1033255, 2066510, 4133020, 9712597, 19425194, 21285053, 38850388, 42570106, 48562985, 85140212, 97125970, 106425265, 194251940, 212850530, 425701060, 1000397491, 2000794982, 4001589964, 5001987455, 10003974910, 20007949820]

約数ペア:

[(1, 20007949820), (2, 10003974910), (4, 5001987455), (5, 4001589964), (10, 2000794982), (20, 1000397491), (47, 425701060), (94, 212850530), (103, 194251940), (188, 106425265), (206, 97125970), (235, 85140212), (412, 48562985), (470, 42570106), (515, 38850388), (940, 21285053), (1030, 19425194), (2060, 9712597), (4841, 4133020), (9682, 2066510), (19364, 1033255), (24205, 826604), (48410, 413302), (96820, 206651)]