20088290439

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{489803}}^1$

素因数の和:489857

約数の個数: 48

約数和(自身を含む): 35736099840

約数和(自身を除く): 15647809401

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 147, 189, 217, 279, 441, 651, 837, 1323, 1519, 1953, 4557, 5859, 13671, 41013, 489803, 1469409, 3428621, 4408227, 10285863, 13224681, 15183893, 24000347, 30857589, 45551679, 72001041, 92572767, 106287251, 136655037, 216003123, 318861753, 409965111, 648009369, 744010757, 956585259, 2232032271, 2869755777, 6696096813, 20088290439]

約数ペア:

[(1, 20088290439), (3, 6696096813), (7, 2869755777), (9, 2232032271), (21, 956585259), (27, 744010757), (31, 648009369), (49, 409965111), (63, 318861753), (93, 216003123), (147, 136655037), (189, 106287251), (217, 92572767), (279, 72001041), (441, 45551679), (651, 30857589), (837, 24000347), (1323, 15183893), (1519, 13224681), (1953, 10285863), (4557, 4408227), (5859, 3428621), (13671, 1469409), (41013, 489803)]