20692233

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 31680000

約数和(自身を除く): 10987767

約数列:

[1, 3, 9, 27, 79, 89, 109, 237, 267, 327, 711, 801, 981, 2133, 2403, 2943, 7031, 8611, 9701, 21093, 25833, 29103, 63279, 77499, 87309, 189837, 232497, 261927, 766379, 2299137, 6897411, 20692233]

約数ペア:

[(1, 20692233), (3, 6897411), (9, 2299137), (27, 766379), (79, 261927), (89, 232497), (109, 189837), (237, 87309), (267, 77499), (327, 63279), (711, 29103), (801, 25833), (981, 21093), (2133, 9701), (2403, 8611), (2943, 7031)]