20293707

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 32716800

約数和(自身を除く): 12423093

約数列:

[1, 3, 7, 21, 29, 47, 87, 141, 203, 329, 609, 709, 987, 1363, 2127, 4089, 4963, 9541, 14889, 20561, 28623, 33323, 61683, 99969, 143927, 233261, 431781, 699783, 966367, 2899101, 6764569, 20293707]

約数ペア:

[(1, 20293707), (3, 6764569), (7, 2899101), (21, 966367), (29, 699783), (47, 431781), (87, 233261), (141, 143927), (203, 99969), (329, 61683), (609, 33323), (709, 28623), (987, 20561), (1363, 14889), (2127, 9541), (4089, 4963)]