20371923

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1439}}^1$

素因数の和:1480

約数の個数: 36

約数和(自身を含む): 34856640

約数和(自身を除く): 14484717

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 121, 143, 363, 429, 1089, 1287, 1439, 1573, 4317, 4719, 12951, 14157, 15829, 18707, 47487, 56121, 142461, 168363, 174119, 205777, 522357, 617331, 1567071, 1851993, 2263547, 6790641, 20371923]

約数ペア:

[(1, 20371923), (3, 6790641), (9, 2263547), (11, 1851993), (13, 1567071), (33, 617331), (39, 522357), (99, 205777), (117, 174119), (121, 168363), (143, 142461), (363, 56121), (429, 47487), (1089, 18707), (1287, 15829), (1439, 14157), (1573, 12951), (4317, 4719)]