20745338510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9387031}}^1$

素因数の和:9387068

約数の個数: 32

約数和(自身を含む): 42579577152

約数和(自身を除く): 21834238642

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9387031, 18774062, 46935155, 93870310, 122031403, 159579527, 244062806, 319159054, 610157015, 797897635, 1220314030, 1595795270, 2074533851, 4149067702, 10372669255, 20745338510]

約数ペア:

[(1, 20745338510), (2, 10372669255), (5, 4149067702), (10, 2074533851), (13, 1595795270), (17, 1220314030), (26, 797897635), (34, 610157015), (65, 319159054), (85, 244062806), (130, 159579527), (170, 122031403), (221, 93870310), (442, 46935155), (1105, 18774062), (2210, 9387031)]