20125564312

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{246661}}^1$

素因数の和:246752

約数の個数: 64

約数和(自身を含む): 45464739840

約数和(自身を除く): 25339175528

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 47, 56, 62, 94, 124, 188, 217, 248, 329, 376, 434, 658, 868, 1316, 1457, 1736, 2632, 2914, 5828, 10199, 11656, 20398, 40796, 81592, 246661, 493322, 986644, 1726627, 1973288, 3453254, 6906508, 7646491, 11593067, 13813016, 15292982, 23186134, 30585964, 46372268, 53525437, 61171928, 81151469, 92744536, 107050874, 162302938, 214101748, 324605876, 359385077, 428203496, 649211752, 718770154, 1437540308, 2515695539, 2875080616, 5031391078, 10062782156, 20125564312]

約数ペア:

[(1, 20125564312), (2, 10062782156), (4, 5031391078), (7, 2875080616), (8, 2515695539), (14, 1437540308), (28, 718770154), (31, 649211752), (47, 428203496), (56, 359385077), (62, 324605876), (94, 214101748), (124, 162302938), (188, 107050874), (217, 92744536), (248, 81151469), (329, 61171928), (376, 53525437), (434, 46372268), (658, 30585964), (868, 23186134), (1316, 15292982), (1457, 13813016), (1736, 11593067), (2632, 7646491), (2914, 6906508), (5828, 3453254), (10199, 1973288), (11656, 1726627), (20398, 986644), (40796, 493322), (81592, 246661)]