20887542

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3881}}^1$

素因数の和:3925

約数の個数: 48

約数和(自身を含む): 50869728

約数和(自身を除く): 29982186

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 414, 598, 897, 1794, 2691, 3881, 5382, 7762, 11643, 23286, 34929, 50453, 69858, 89263, 100906, 151359, 178526, 267789, 302718, 454077, 535578, 803367, 908154, 1160419, 1606734, 2320838, 3481257, 6962514, 10443771, 20887542]

約数ペア:

[(1, 20887542), (2, 10443771), (3, 6962514), (6, 3481257), (9, 2320838), (13, 1606734), (18, 1160419), (23, 908154), (26, 803367), (39, 535578), (46, 454077), (69, 302718), (78, 267789), (117, 178526), (138, 151359), (207, 100906), (234, 89263), (299, 69858), (414, 50453), (598, 34929), (897, 23286), (1794, 11643), (2691, 7762), (3881, 5382)]