20730488

素因数分解:

$2^3\times {\mathrm{131}}^2\times {\mathrm{151}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 39428040

約数和(自身を除く): 18697552

約数列:

[1, 2, 4, 8, 131, 151, 262, 302, 524, 604, 1048, 1208, 17161, 19781, 34322, 39562, 68644, 79124, 137288, 158248, 2591311, 5182622, 10365244, 20730488]

約数ペア:

[(1, 20730488), (2, 10365244), (4, 5182622), (8, 2591311), (131, 158248), (151, 137288), (262, 79124), (302, 68644), (524, 39562), (604, 34322), (1048, 19781), (1208, 17161)]