20163850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1087}}^1$

素因数の和:1159

約数の個数: 48

約数和(自身を含む): 43711488

約数和(自身を除く): 23547638

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 53, 70, 106, 175, 265, 350, 371, 530, 742, 1087, 1325, 1855, 2174, 2650, 3710, 5435, 7609, 9275, 10870, 15218, 18550, 27175, 38045, 54350, 57611, 76090, 115222, 190225, 288055, 380450, 403277, 576110, 806554, 1440275, 2016385, 2880550, 4032770, 10081925, 20163850]

約数ペア:

[(1, 20163850), (2, 10081925), (5, 4032770), (7, 2880550), (10, 2016385), (14, 1440275), (25, 806554), (35, 576110), (50, 403277), (53, 380450), (70, 288055), (106, 190225), (175, 115222), (265, 76090), (350, 57611), (371, 54350), (530, 38045), (742, 27175), (1087, 18550), (1325, 15218), (1855, 10870), (2174, 9275), (2650, 7609), (3710, 5435)]