20168050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1987}}^1$

素因数の和:2035

約数の個数: 48

約数和(自身を含む): 44372160

約数和(自身を除く): 24204110

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 145, 175, 203, 290, 350, 406, 725, 1015, 1450, 1987, 2030, 3974, 5075, 9935, 10150, 13909, 19870, 27818, 49675, 57623, 69545, 99350, 115246, 139090, 288115, 347725, 403361, 576230, 695450, 806722, 1440575, 2016805, 2881150, 4033610, 10084025, 20168050]

約数ペア:

[(1, 20168050), (2, 10084025), (5, 4033610), (7, 2881150), (10, 2016805), (14, 1440575), (25, 806722), (29, 695450), (35, 576230), (50, 403361), (58, 347725), (70, 288115), (145, 139090), (175, 115246), (203, 99350), (290, 69545), (350, 57623), (406, 49675), (725, 27818), (1015, 19870), (1450, 13909), (1987, 10150), (2030, 9935), (3974, 5075)]