20549032

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 49248000

約数和(自身を除く): 28698968

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 49, 56, 62, 76, 89, 98, 124, 133, 152, 178, 196, 217, 248, 266, 356, 392, 434, 532, 589, 623, 712, 868, 931, 1064, 1178, 1246, 1519, 1691, 1736, 1862, 2356, 2492, 2759, 3038, 3382, 3724, 4123, 4361, 4712, 4984, 5518, 6076, 6764, 7448, 8246, 8722, 11036, 11837, 12152, 13528, 16492, 17444, 19313, 22072, 23674, 28861, 32984, 34888, 38626, 47348, 52421, 57722, 77252, 82859, 94696, 104842, 115444, 135191, 154504, 165718, 209684, 230888, 270382, 331436, 366947, 419368, 540764, 662872, 733894, 1081528, 1467788, 2568629, 2935576, 5137258, 10274516, 20549032]

約数ペア:

[(1, 20549032), (2, 10274516), (4, 5137258), (7, 2935576), (8, 2568629), (14, 1467788), (19, 1081528), (28, 733894), (31, 662872), (38, 540764), (49, 419368), (56, 366947), (62, 331436), (76, 270382), (89, 230888), (98, 209684), (124, 165718), (133, 154504), (152, 135191), (178, 115444), (196, 104842), (217, 94696), (248, 82859), (266, 77252), (356, 57722), (392, 52421), (434, 47348), (532, 38626), (589, 34888), (623, 32984), (712, 28861), (868, 23674), (931, 22072), (1064, 19313), (1178, 17444), (1246, 16492), (1519, 13528), (1691, 12152), (1736, 11837), (1862, 11036), (2356, 8722), (2492, 8246), (2759, 7448), (3038, 6764), (3382, 6076), (3724, 5518), (4123, 4984), (4361, 4712)]