20513084

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15877}}^1$

素因数の和:15917

約数の個数: 24

約数和(自身を含む): 40012560

約数和(自身を除く): 19499476

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15877, 31754, 63508, 269909, 301663, 539818, 603326, 1079636, 1206652, 5128271, 10256542, 20513084]

約数ペア:

[(1, 20513084), (2, 10256542), (4, 5128271), (17, 1206652), (19, 1079636), (34, 603326), (38, 539818), (68, 301663), (76, 269909), (323, 63508), (646, 31754), (1292, 15877)]