20196779085

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{19447}}^1$

素因数の和:19632

約数の個数: 96

約数和(自身を含む): 42035685120

約数和(自身を除く): 21838906035

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 157, 189, 245, 315, 441, 471, 735, 785, 945, 1099, 1323, 1413, 2205, 2355, 3297, 4239, 5495, 6615, 7065, 7693, 9891, 16485, 19447, 21195, 23079, 29673, 38465, 49455, 58341, 69237, 97235, 115395, 136129, 148365, 175023, 207711, 291705, 346185, 408387, 525069, 680645, 875115, 952903, 1038555, 1225161, 2041935, 2625345, 2858709, 3053179, 3675483, 4764515, 6125805, 8576127, 9159537, 14293545, 15265895, 18377415, 21372253, 25728381, 27478611, 42880635, 45797685, 64116759, 82435833, 106861265, 128641905, 137393055, 149605771, 192350277, 320583795, 412179165, 448817313, 577050831, 748028855, 961751385, 1346451939, 2244086565, 2885254155, 4039355817, 6732259695, 20196779085]

約数ペア:

[(1, 20196779085), (3, 6732259695), (5, 4039355817), (7, 2885254155), (9, 2244086565), (15, 1346451939), (21, 961751385), (27, 748028855), (35, 577050831), (45, 448817313), (49, 412179165), (63, 320583795), (105, 192350277), (135, 149605771), (147, 137393055), (157, 128641905), (189, 106861265), (245, 82435833), (315, 64116759), (441, 45797685), (471, 42880635), (735, 27478611), (785, 25728381), (945, 21372253), (1099, 18377415), (1323, 15265895), (1413, 14293545), (2205, 9159537), (2355, 8576127), (3297, 6125805), (4239, 4764515), (5495, 3675483), (6615, 3053179), (7065, 2858709), (7693, 2625345), (9891, 2041935), (16485, 1225161), (19447, 1038555), (21195, 952903), (23079, 875115), (29673, 680645), (38465, 525069), (49455, 408387), (58341, 346185), (69237, 291705), (97235, 207711), (115395, 175023), (136129, 148365)]