20364057

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:838

約数の個数: 36

約数和(自身を含む): 34824036

約数和(自身を除く): 14459979

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 427, 441, 549, 757, 1281, 2271, 2989, 3843, 5299, 6813, 8967, 15897, 26901, 37093, 46177, 47691, 111279, 138531, 323239, 333837, 415593, 969717, 2262673, 2909151, 6788019, 20364057]

約数ペア:

[(1, 20364057), (3, 6788019), (7, 2909151), (9, 2262673), (21, 969717), (49, 415593), (61, 333837), (63, 323239), (147, 138531), (183, 111279), (427, 47691), (441, 46177), (549, 37093), (757, 26901), (1281, 15897), (2271, 8967), (2989, 6813), (3843, 5299)]