20077956865

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1\times {\mathrm{3449}}^1$

素因数の和:3957

約数の個数: 32

約数和(自身を含む): 25090884000

約数和(自身を除く): 5012927135

約数列:

[1, 5, 41, 73, 205, 365, 389, 1945, 2993, 3449, 14965, 15949, 17245, 28397, 79745, 141409, 141985, 251777, 707045, 1164277, 1258885, 1341661, 5821385, 6708305, 10322857, 51614285, 55008101, 97941253, 275040505, 489706265, 4015591373, 20077956865]

約数ペア:

[(1, 20077956865), (5, 4015591373), (41, 489706265), (73, 275040505), (205, 97941253), (365, 55008101), (389, 51614285), (1945, 10322857), (2993, 6708305), (3449, 5821385), (14965, 1341661), (15949, 1258885), (17245, 1164277), (28397, 707045), (79745, 251777), (141409, 141985)]