20123961074

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1\times {\mathrm{2633}}^1$

素因数の和:3207

約数の個数: 64

約数和(自身を含む): 37019289600

約数和(自身を除く): 16895328526

約数列:

[1, 2, 7, 14, 19, 38, 59, 118, 133, 266, 413, 487, 826, 974, 1121, 2242, 2633, 3409, 5266, 6818, 7847, 9253, 15694, 18431, 18506, 28733, 36862, 50027, 57466, 64771, 100054, 129542, 155347, 201131, 310694, 350189, 402262, 545927, 700378, 1087429, 1091854, 1282271, 2174858, 2564542, 2951593, 3821489, 5903186, 7642978, 8975897, 17951794, 20661151, 24363149, 41322302, 48726298, 75653989, 151307978, 170542043, 341084086, 529577923, 1059155846, 1437425791, 2874851582, 10061980537, 20123961074]

約数ペア:

[(1, 20123961074), (2, 10061980537), (7, 2874851582), (14, 1437425791), (19, 1059155846), (38, 529577923), (59, 341084086), (118, 170542043), (133, 151307978), (266, 75653989), (413, 48726298), (487, 41322302), (826, 24363149), (974, 20661151), (1121, 17951794), (2242, 8975897), (2633, 7642978), (3409, 5903186), (5266, 3821489), (6818, 2951593), (7847, 2564542), (9253, 2174858), (15694, 1282271), (18431, 1091854), (18506, 1087429), (28733, 700378), (36862, 545927), (50027, 402262), (57466, 350189), (64771, 310694), (100054, 201131), (129542, 155347)]