20187765546

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{280409}}^1$

素因数の和:280511

約数の個数: 48

約数和(自身を含む): 44336185920

約数和(自身を除く): 24148420374

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 169, 213, 338, 426, 507, 923, 1014, 1846, 2769, 5538, 11999, 23998, 35997, 71994, 280409, 560818, 841227, 1682454, 3645317, 7290634, 10935951, 19909039, 21871902, 39818078, 47389121, 59727117, 94778242, 119454234, 142167363, 258817507, 284334726, 517635014, 776452521, 1552905042, 3364627591, 6729255182, 10093882773, 20187765546]

約数ペア:

[(1, 20187765546), (2, 10093882773), (3, 6729255182), (6, 3364627591), (13, 1552905042), (26, 776452521), (39, 517635014), (71, 284334726), (78, 258817507), (142, 142167363), (169, 119454234), (213, 94778242), (338, 59727117), (426, 47389121), (507, 39818078), (923, 21871902), (1014, 19909039), (1846, 10935951), (2769, 7290634), (5538, 3645317), (11999, 1682454), (23998, 841227), (35997, 560818), (71994, 280409)]