2021073620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1\times {\mathrm{2657}}^1$

素因数の和:3260

約数の個数: 48

約数和(自身を含む): 4312275408

約数和(自身を除く): 2291201788

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 521, 730, 1042, 1460, 2084, 2605, 2657, 5210, 5314, 10420, 10628, 13285, 26570, 38033, 53140, 76066, 152132, 190165, 193961, 380330, 387922, 760660, 775844, 969805, 1384297, 1939610, 2768594, 3879220, 5537188, 6921485, 13842970, 27685940, 101053681, 202107362, 404214724, 505268405, 1010536810, 2021073620]

約数ペア:

[(1, 2021073620), (2, 1010536810), (4, 505268405), (5, 404214724), (10, 202107362), (20, 101053681), (73, 27685940), (146, 13842970), (292, 6921485), (365, 5537188), (521, 3879220), (730, 2768594), (1042, 1939610), (1460, 1384297), (2084, 969805), (2605, 775844), (2657, 760660), (5210, 387922), (5314, 380330), (10420, 193961), (10628, 190165), (13285, 152132), (26570, 76066), (38033, 53140)]