20464614

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 45826560

約数和(自身を除く): 25361946

約数列:

[1, 2, 3, 6, 9, 18, 67, 71, 134, 142, 201, 213, 239, 402, 426, 478, 603, 639, 717, 1206, 1278, 1434, 2151, 4302, 4757, 9514, 14271, 16013, 16969, 28542, 32026, 33938, 42813, 48039, 50907, 85626, 96078, 101814, 144117, 152721, 288234, 305442, 1136923, 2273846, 3410769, 6821538, 10232307, 20464614]

約数ペア:

[(1, 20464614), (2, 10232307), (3, 6821538), (6, 3410769), (9, 2273846), (18, 1136923), (67, 305442), (71, 288234), (134, 152721), (142, 144117), (201, 101814), (213, 96078), (239, 85626), (402, 50907), (426, 48039), (478, 42813), (603, 33938), (639, 32026), (717, 28542), (1206, 16969), (1278, 16013), (1434, 14271), (2151, 9514), (4302, 4757)]