20286981

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1433}}^1$

素因数の和:1474

約数の個数: 36

約数和(自身を含む): 34711404

約数和(自身を除く): 14424423

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 121, 143, 363, 429, 1089, 1287, 1433, 1573, 4299, 4719, 12897, 14157, 15763, 18629, 47289, 55887, 141867, 167661, 173393, 204919, 520179, 614757, 1560537, 1844271, 2254109, 6762327, 20286981]

約数ペア:

[(1, 20286981), (3, 6762327), (9, 2254109), (11, 1844271), (13, 1560537), (33, 614757), (39, 520179), (99, 204919), (117, 173393), (121, 167661), (143, 141867), (363, 55887), (429, 47289), (1089, 18629), (1287, 15763), (1433, 14157), (1573, 12897), (4299, 4719)]