20857551055

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{7529}}^1$

素因数の和:7816

約数の個数: 48

約数和(自身を含む): 29083269600

約数和(自身を除く): 8225718545

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 241, 605, 1045, 1205, 2299, 2651, 4579, 7529, 11495, 13255, 22895, 29161, 37645, 50369, 82819, 143051, 145805, 251845, 414095, 554059, 715255, 911009, 1573561, 1814489, 2770295, 4555045, 7867805, 9072445, 17309171, 19959379, 34475291, 86545855, 99796895, 172376455, 219553169, 379228201, 1097765845, 1896141005, 4171510211, 20857551055]

約数ペア:

[(1, 20857551055), (5, 4171510211), (11, 1896141005), (19, 1097765845), (55, 379228201), (95, 219553169), (121, 172376455), (209, 99796895), (241, 86545855), (605, 34475291), (1045, 19959379), (1205, 17309171), (2299, 9072445), (2651, 7867805), (4579, 4555045), (7529, 2770295), (11495, 1814489), (13255, 1573561), (22895, 911009), (29161, 715255), (37645, 554059), (50369, 414095), (82819, 251845), (143051, 145805)]