20851064

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{379}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 44129400

約数和(自身を除く): 23278336

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 379, 529, 598, 758, 1058, 1196, 1516, 2116, 2392, 3032, 4232, 4927, 6877, 8717, 9854, 13754, 17434, 19708, 27508, 34868, 39416, 55016, 69736, 113321, 200491, 226642, 400982, 453284, 801964, 906568, 1603928, 2606383, 5212766, 10425532, 20851064]

約数ペア:

[(1, 20851064), (2, 10425532), (4, 5212766), (8, 2606383), (13, 1603928), (23, 906568), (26, 801964), (46, 453284), (52, 400982), (92, 226642), (104, 200491), (184, 113321), (299, 69736), (379, 55016), (529, 39416), (598, 34868), (758, 27508), (1058, 19708), (1196, 17434), (1516, 13754), (2116, 9854), (2392, 8717), (3032, 6877), (4232, 4927)]