20187576874

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1\times {\mathrm{587}}^1$

素因数の和:1147

約数の個数: 64

約数和(自身を含む): 34139750400

約数和(自身を除く): 13952173526

約数列:

[1, 2, 17, 19, 34, 38, 139, 278, 323, 383, 587, 646, 766, 1174, 2363, 2641, 4726, 5282, 6511, 7277, 9979, 11153, 13022, 14554, 19958, 22306, 44897, 53237, 81593, 89794, 106474, 123709, 163186, 189601, 224821, 247418, 379202, 449642, 905029, 1011503, 1387081, 1550267, 1810058, 2023006, 2774162, 3100534, 3821957, 4271599, 7643914, 8543198, 17195551, 26354539, 31250119, 34391102, 52709078, 62500238, 72617183, 145234366, 531252023, 593752261, 1062504046, 1187504522, 10093788437, 20187576874]

約数ペア:

[(1, 20187576874), (2, 10093788437), (17, 1187504522), (19, 1062504046), (34, 593752261), (38, 531252023), (139, 145234366), (278, 72617183), (323, 62500238), (383, 52709078), (587, 34391102), (646, 31250119), (766, 26354539), (1174, 17195551), (2363, 8543198), (2641, 7643914), (4726, 4271599), (5282, 3821957), (6511, 3100534), (7277, 2774162), (9979, 2023006), (11153, 1810058), (13022, 1550267), (14554, 1387081), (19958, 1011503), (22306, 905029), (44897, 449642), (53237, 379202), (81593, 247418), (89794, 224821), (106474, 189601), (123709, 163186)]