20051075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4289}}^1$

素因数の和:4327

約数の個数: 24

約数和(自身を含む): 28725840

約数和(自身を除く): 8674765

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4289, 4675, 21445, 47179, 72913, 107225, 235895, 364565, 802043, 1179475, 1822825, 4010215, 20051075]

約数ペア:

[(1, 20051075), (5, 4010215), (11, 1822825), (17, 1179475), (25, 802043), (55, 364565), (85, 235895), (187, 107225), (275, 72913), (425, 47179), (935, 21445), (4289, 4675)]