20522736

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:623

約数の個数: 120

約数和(自身を含む): 65221520

約数和(自身を除く): 44698784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 36, 38, 39, 48, 52, 57, 72, 76, 78, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 304, 312, 342, 456, 468, 494, 577, 624, 684, 741, 912, 936, 988, 1154, 1368, 1482, 1731, 1872, 1976, 2223, 2308, 2736, 2964, 3462, 3952, 4446, 4616, 5193, 5928, 6924, 7501, 8892, 9232, 10386, 10963, 11856, 13848, 15002, 17784, 20772, 21926, 22503, 27696, 30004, 32889, 35568, 41544, 43852, 45006, 60008, 65778, 67509, 83088, 87704, 90012, 98667, 120016, 131556, 135018, 142519, 175408, 180024, 197334, 263112, 270036, 285038, 360048, 394668, 427557, 526224, 540072, 570076, 789336, 855114, 1080144, 1140152, 1282671, 1578672, 1710228, 2280304, 2565342, 3420456, 5130684, 6840912, 10261368, 20522736]

約数ペア:

[(1, 20522736), (2, 10261368), (3, 6840912), (4, 5130684), (6, 3420456), (8, 2565342), (9, 2280304), (12, 1710228), (13, 1578672), (16, 1282671), (18, 1140152), (19, 1080144), (24, 855114), (26, 789336), (36, 570076), (38, 540072), (39, 526224), (48, 427557), (52, 394668), (57, 360048), (72, 285038), (76, 270036), (78, 263112), (104, 197334), (114, 180024), (117, 175408), (144, 142519), (152, 135018), (156, 131556), (171, 120016), (208, 98667), (228, 90012), (234, 87704), (247, 83088), (304, 67509), (312, 65778), (342, 60008), (456, 45006), (468, 43852), (494, 41544), (577, 35568), (624, 32889), (684, 30004), (741, 27696), (912, 22503), (936, 21926), (988, 20772), (1154, 17784), (1368, 15002), (1482, 13848), (1731, 11856), (1872, 10963), (1976, 10386), (2223, 9232), (2308, 8892), (2736, 7501), (2964, 6924), (3462, 5928), (3952, 5193), (4446, 4616)]