20377340

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{6101}}^1$

素因数の和:6277

約数の個数: 24

約数和(自身を含む): 43055712

約数和(自身を除く): 22678372

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 6101, 12202, 24404, 30505, 61010, 122020, 1018867, 2037734, 4075468, 5094335, 10188670, 20377340]

約数ペア:

[(1, 20377340), (2, 10188670), (4, 5094335), (5, 4075468), (10, 2037734), (20, 1018867), (167, 122020), (334, 61010), (668, 30505), (835, 24404), (1670, 12202), (3340, 6101)]