20236515140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{347587}}^1$

素因数の和:347708

約数の個数: 48

約数和(自身を含む): 44146456704

約数和(自身を除く): 23909941564

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 710, 820, 1420, 2911, 5822, 11644, 14555, 29110, 58220, 347587, 695174, 1390348, 1737935, 3475870, 6951740, 14251067, 24678677, 28502134, 49357354, 57004268, 71255335, 98714708, 123393385, 142510670, 246786770, 285021340, 493573540, 1011825757, 2023651514, 4047303028, 5059128785, 10118257570, 20236515140]

約数ペア:

[(1, 20236515140), (2, 10118257570), (4, 5059128785), (5, 4047303028), (10, 2023651514), (20, 1011825757), (41, 493573540), (71, 285021340), (82, 246786770), (142, 142510670), (164, 123393385), (205, 98714708), (284, 71255335), (355, 57004268), (410, 49357354), (710, 28502134), (820, 24678677), (1420, 14251067), (2911, 6951740), (5822, 3475870), (11644, 1737935), (14555, 1390348), (29110, 695174), (58220, 347587)]