20419424

素因数分解:

$2^5\times {\mathrm{167}}^1\times {\mathrm{3821}}^1$

素因数の和:3998

約数の個数: 24

約数和(自身を含む): 40452048

約数和(自身を除く): 20032624

約数列:

[1, 2, 4, 8, 16, 32, 167, 334, 668, 1336, 2672, 3821, 5344, 7642, 15284, 30568, 61136, 122272, 638107, 1276214, 2552428, 5104856, 10209712, 20419424]

約数ペア:

[(1, 20419424), (2, 10209712), (4, 5104856), (8, 2552428), (16, 1276214), (32, 638107), (167, 122272), (334, 61136), (668, 30568), (1336, 15284), (2672, 7642), (3821, 5344)]