20834654589

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{43913}}^1$

素因数の和:44386

約数の個数: 48

約数和(自身を含む): 36499911552

約数和(自身を除く): 15665256963

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 443, 1071, 1329, 3101, 3987, 7531, 9303, 22593, 27909, 43913, 52717, 67779, 131739, 158151, 307391, 395217, 474453, 746521, 922173, 2239563, 2766519, 5225647, 6718689, 15676941, 19453459, 47030823, 58360377, 136174213, 175081131, 330708803, 408522639, 992126409, 1225567917, 2314961621, 2976379227, 6944884863, 20834654589]

約数ペア:

[(1, 20834654589), (3, 6944884863), (7, 2976379227), (9, 2314961621), (17, 1225567917), (21, 992126409), (51, 408522639), (63, 330708803), (119, 175081131), (153, 136174213), (357, 58360377), (443, 47030823), (1071, 19453459), (1329, 15676941), (3101, 6718689), (3987, 5225647), (7531, 2766519), (9303, 2239563), (22593, 922173), (27909, 746521), (43913, 474453), (52717, 395217), (67779, 307391), (131739, 158151)]