20445544

素因数分解:

$2^3\times 7^3\times {\mathrm{7451}}^1$

素因数の和:7478

約数の個数: 32

約数和(自身を含む): 44712000

約数和(自身を除く): 24266456

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7451, 14902, 29804, 52157, 59608, 104314, 208628, 365099, 417256, 730198, 1460396, 2555693, 2920792, 5111386, 10222772, 20445544]

約数ペア:

[(1, 20445544), (2, 10222772), (4, 5111386), (7, 2920792), (8, 2555693), (14, 1460396), (28, 730198), (49, 417256), (56, 365099), (98, 208628), (196, 104314), (343, 59608), (392, 52157), (686, 29804), (1372, 14902), (2744, 7451)]