20172328209

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{126481}}^1$

素因数の和:126683

約数の個数: 40

約数和(自身を含む): 33057335520

約数和(自身を除く): 12885007311

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 179, 297, 537, 891, 1611, 1969, 4833, 5907, 14499, 17721, 53163, 126481, 159489, 379443, 1138329, 1391291, 3414987, 4173873, 10244961, 12521619, 22640099, 37564857, 67920297, 112694571, 203760891, 249041089, 611282673, 747123267, 1833848019, 2241369801, 6724109403, 20172328209]

約数ペア:

[(1, 20172328209), (3, 6724109403), (9, 2241369801), (11, 1833848019), (27, 747123267), (33, 611282673), (81, 249041089), (99, 203760891), (179, 112694571), (297, 67920297), (537, 37564857), (891, 22640099), (1611, 12521619), (1969, 10244961), (4833, 4173873), (5907, 3414987), (14499, 1391291), (17721, 1138329), (53163, 379443), (126481, 159489)]