20172657141

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{2539}}^1$

素因数の和:2763

約数の個数: 96

約数和(自身を含む): 36612576000

約数和(自身を除く): 16439918859

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 89, 91, 109, 117, 267, 273, 327, 623, 763, 801, 819, 981, 1157, 1417, 1869, 2289, 2539, 3471, 4251, 5607, 6867, 7617, 8099, 9701, 9919, 10413, 12753, 17773, 22851, 24297, 29103, 29757, 33007, 53319, 67907, 72891, 87309, 89271, 99021, 126113, 159957, 203721, 225971, 231049, 276751, 297063, 378339, 611163, 677913, 693147, 830253, 882791, 1135017, 1581797, 1937257, 2033739, 2079441, 2490759, 2648373, 2937623, 3597763, 4745391, 5811771, 7945119, 8812869, 10793289, 14236173, 17435313, 20563361, 24630839, 25184341, 26438607, 32379867, 61690083, 73892517, 75553023, 172415873, 185070249, 221677551, 226659069, 320200907, 517247619, 960602721, 1551742857, 2241406349, 2881808163, 6724219047, 20172657141]

約数ペア:

[(1, 20172657141), (3, 6724219047), (7, 2881808163), (9, 2241406349), (13, 1551742857), (21, 960602721), (39, 517247619), (63, 320200907), (89, 226659069), (91, 221677551), (109, 185070249), (117, 172415873), (267, 75553023), (273, 73892517), (327, 61690083), (623, 32379867), (763, 26438607), (801, 25184341), (819, 24630839), (981, 20563361), (1157, 17435313), (1417, 14236173), (1869, 10793289), (2289, 8812869), (2539, 7945119), (3471, 5811771), (4251, 4745391), (5607, 3597763), (6867, 2937623), (7617, 2648373), (8099, 2490759), (9701, 2079441), (9919, 2033739), (10413, 1937257), (12753, 1581797), (17773, 1135017), (22851, 882791), (24297, 830253), (29103, 693147), (29757, 677913), (33007, 611163), (53319, 378339), (67907, 297063), (72891, 276751), (87309, 231049), (89271, 225971), (99021, 203721), (126113, 159957)]