20729450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{8461}}^1$

素因数の和:8487

約数の個数: 36

約数和(自身を含む): 44857062

約数和(自身を除く): 24127612

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 8461, 16922, 42305, 59227, 84610, 118454, 211525, 296135, 414589, 423050, 592270, 829178, 1480675, 2072945, 2961350, 4145890, 10364725, 20729450]

約数ペア:

[(1, 20729450), (2, 10364725), (5, 4145890), (7, 2961350), (10, 2072945), (14, 1480675), (25, 829178), (35, 592270), (49, 423050), (50, 414589), (70, 296135), (98, 211525), (175, 118454), (245, 84610), (350, 59227), (490, 42305), (1225, 16922), (2450, 8461)]