20087841880

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4693421}}^1$

素因数の和:4693539

約数の個数: 32

約数和(自身を含む): 45620061840

約数和(自身を除く): 25532219960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 4693421, 9386842, 18773684, 23467105, 37547368, 46934210, 93868420, 187736840, 502196047, 1004392094, 2008784188, 2510980235, 4017568376, 5021960470, 10043920940, 20087841880]

約数ペア:

[(1, 20087841880), (2, 10043920940), (4, 5021960470), (5, 4017568376), (8, 2510980235), (10, 2008784188), (20, 1004392094), (40, 502196047), (107, 187736840), (214, 93868420), (428, 46934210), (535, 37547368), (856, 23467105), (1070, 18773684), (2140, 9386842), (4280, 4693421)]