20538107

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 22387200

約数和(自身を除く): 1849093

約数列:

[1, 19, 47, 109, 211, 893, 2071, 4009, 5123, 9917, 22999, 97337, 188423, 436981, 1080953, 20538107]

約数ペア:

[(1, 20538107), (19, 1080953), (47, 436981), (109, 188423), (211, 97337), (893, 22999), (2071, 9917), (4009, 5123)]