20994753

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 32860800

約数和(自身を除く): 11866047

約数列:

[1, 3, 13, 19, 29, 39, 57, 87, 247, 377, 551, 741, 977, 1131, 1653, 2931, 7163, 12701, 18563, 21489, 28333, 38103, 55689, 84999, 241319, 368329, 538327, 723957, 1104987, 1614981, 6998251, 20994753]

約数ペア:

[(1, 20994753), (3, 6998251), (13, 1614981), (19, 1104987), (29, 723957), (39, 538327), (57, 368329), (87, 241319), (247, 84999), (377, 55689), (551, 38103), (741, 28333), (977, 21489), (1131, 18563), (1653, 12701), (2931, 7163)]