202020815

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 253983600

約数和(自身を除く): 51962785

約数列:

[1, 5, 29, 107, 145, 449, 535, 841, 2245, 3103, 4205, 13021, 15515, 48043, 65105, 89987, 240215, 377609, 449935, 1393247, 1888045, 6966235, 40404163, 202020815]

約数ペア:

[(1, 202020815), (5, 40404163), (29, 6966235), (107, 1888045), (145, 1393247), (449, 449935), (535, 377609), (841, 240215), (2245, 89987), (3103, 65105), (4205, 48043), (13021, 15515)]