20356928639

素因数分解:

${\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{641}}^1\times {\mathrm{2221}}^1$

素因数の和:3122

約数の個数: 16

約数和(自身を含む): 20770189440

約数和(自身を除く): 413260801

約数列:

[1, 79, 181, 641, 2221, 14299, 50639, 116021, 175459, 402001, 1423661, 9165659, 31758079, 112469219, 257682641, 20356928639]

約数ペア:

[(1, 20356928639), (79, 257682641), (181, 112469219), (641, 31758079), (2221, 9165659), (14299, 1423661), (50639, 402001), (116021, 175459)]