20396745

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6569}}^1$

素因数の和:6606

約数の個数: 32

約数和(自身を含む): 37843200

約数和(自身を除く): 17446455

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6569, 19707, 32845, 59121, 98535, 151087, 177363, 295605, 453261, 755435, 886815, 1359783, 2266305, 4079349, 6798915, 20396745]

約数ペア:

[(1, 20396745), (3, 6798915), (5, 4079349), (9, 2266305), (15, 1359783), (23, 886815), (27, 755435), (45, 453261), (69, 295605), (115, 177363), (135, 151087), (207, 98535), (345, 59121), (621, 32845), (1035, 19707), (3105, 6569)]