20384770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2293}}^1$

素因数の和:2434

約数の個数: 32

約数和(自身を含む): 42283008

約数和(自身を除く): 21898238

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 2293, 4445, 4586, 8890, 11465, 16051, 22930, 32102, 80255, 160510, 291211, 582422, 1456055, 2038477, 2912110, 4076954, 10192385, 20384770]

約数ペア:

[(1, 20384770), (2, 10192385), (5, 4076954), (7, 2912110), (10, 2038477), (14, 1456055), (35, 582422), (70, 291211), (127, 160510), (254, 80255), (635, 32102), (889, 22930), (1270, 16051), (1778, 11465), (2293, 8890), (4445, 4586)]