20342078393

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{198349}}^1$

素因数の和:198406

約数の個数: 32

約数和(自身を含む): 26658240000

約数和(自身を除く): 6316161607

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 343, 637, 1127, 2093, 4459, 7889, 14651, 102557, 198349, 1388443, 2578537, 4562027, 9719101, 18049759, 31934189, 59306351, 68033707, 126348313, 223539323, 415144457, 884438191, 1564775261, 2906011199, 20342078393]

約数ペア:

[(1, 20342078393), (7, 2906011199), (13, 1564775261), (23, 884438191), (49, 415144457), (91, 223539323), (161, 126348313), (299, 68033707), (343, 59306351), (637, 31934189), (1127, 18049759), (2093, 9719101), (4459, 4562027), (7889, 2578537), (14651, 1388443), (102557, 198349)]