20603895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{673}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 35781312

約数和(自身を除く): 15177417

約数列:

[1, 3, 5, 13, 15, 39, 65, 157, 195, 471, 673, 785, 2019, 2041, 2355, 3365, 6123, 8749, 10095, 10205, 26247, 30615, 43745, 105661, 131235, 316983, 528305, 1373593, 1584915, 4120779, 6867965, 20603895]

約数ペア:

[(1, 20603895), (3, 6867965), (5, 4120779), (13, 1584915), (15, 1373593), (39, 528305), (65, 316983), (157, 131235), (195, 105661), (471, 43745), (673, 30615), (785, 26247), (2019, 10205), (2041, 10095), (2355, 8749), (3365, 6123)]