20115456431

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{360421}}^1$

素因数の和:360519

約数の個数: 24

約数和(自身を含む): 25145922096

約数和(自身を除く): 5030465665

約数列:

[1, 7, 17, 49, 67, 119, 469, 833, 1139, 3283, 7973, 55811, 360421, 2522947, 6127157, 17660629, 24148207, 42890099, 169037449, 300230693, 410519519, 1183262143, 2873636633, 20115456431]

約数ペア:

[(1, 20115456431), (7, 2873636633), (17, 1183262143), (49, 410519519), (67, 300230693), (119, 169037449), (469, 42890099), (833, 24148207), (1139, 17660629), (3283, 6127157), (7973, 2522947), (55811, 360421)]