20457656

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{36017}}^1$

素因数の和:36094

約数の個数: 16

約数和(自身を含む): 38899440

約数和(自身を除く): 18441784

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 36017, 72034, 144068, 288136, 2557207, 5114414, 10228828, 20457656]

約数ペア:

[(1, 20457656), (2, 10228828), (4, 5114414), (8, 2557207), (71, 288136), (142, 144068), (284, 72034), (568, 36017)]