20343721508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1559}}^1\times {\mathrm{1889}}^1$

素因数の和:3620

約数の個数: 48

約数和(自身を含む): 39131164800

約数和(自身を除く): 18787443292

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1559, 1727, 1889, 3118, 3454, 3778, 6236, 6908, 7556, 17149, 20779, 34298, 41558, 68596, 83116, 244763, 296573, 489526, 593146, 979052, 1186292, 2692393, 2944951, 3262303, 5384786, 5889902, 6524606, 10769572, 11779804, 13049212, 32394461, 64788922, 129577844, 462357307, 924714614, 1849429228, 5085930377, 10171860754, 20343721508]

約数ペア:

[(1, 20343721508), (2, 10171860754), (4, 5085930377), (11, 1849429228), (22, 924714614), (44, 462357307), (157, 129577844), (314, 64788922), (628, 32394461), (1559, 13049212), (1727, 11779804), (1889, 10769572), (3118, 6524606), (3454, 5889902), (3778, 5384786), (6236, 3262303), (6908, 2944951), (7556, 2692393), (17149, 1186292), (20779, 979052), (34298, 593146), (41558, 489526), (68596, 296573), (83116, 244763)]