20797588

素因数分解:

$2^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2069}}^1$

素因数の和:2439

約数の個数: 24

約数和(自身を含む): 41731200

約数和(自身を除く): 20933612

約数列:

[1, 2, 4, 7, 14, 28, 359, 718, 1436, 2069, 2513, 4138, 5026, 8276, 10052, 14483, 28966, 57932, 742771, 1485542, 2971084, 5199397, 10398794, 20797588]

約数ペア:

[(1, 20797588), (2, 10398794), (4, 5199397), (7, 2971084), (14, 1485542), (28, 742771), (359, 57932), (718, 28966), (1436, 14483), (2069, 10052), (2513, 8276), (4138, 5026)]