20356876

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{733}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 36623664

約数和(自身を除く): 16266788

約数列:

[1, 2, 4, 53, 106, 131, 212, 262, 524, 733, 1466, 2932, 6943, 13886, 27772, 38849, 77698, 96023, 155396, 192046, 384092, 5089219, 10178438, 20356876]

約数ペア:

[(1, 20356876), (2, 10178438), (4, 5089219), (53, 384092), (106, 192046), (131, 155396), (212, 96023), (262, 77698), (524, 38849), (733, 27772), (1466, 13886), (2932, 6943)]