20789433

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3793}}^1$

素因数の和:3838

約数の個数: 32

約数和(自身を含む): 36422400

約数和(自身を除く): 15632967

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 3793, 5481, 11379, 26551, 34137, 79653, 102411, 109997, 238959, 329991, 716877, 769979, 989973, 2309937, 2969919, 6929811, 20789433]

約数ペア:

[(1, 20789433), (3, 6929811), (7, 2969919), (9, 2309937), (21, 989973), (27, 769979), (29, 716877), (63, 329991), (87, 238959), (189, 109997), (203, 102411), (261, 79653), (609, 34137), (783, 26551), (1827, 11379), (3793, 5481)]