20767501874

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{3793}}^1$

素因数の和:4059

約数の個数: 64

約数和(自身を含む): 37290710016

約数和(自身を除く): 16523208142

約数列:

[1, 2, 7, 14, 47, 53, 94, 106, 157, 314, 329, 371, 658, 742, 1099, 2198, 2491, 3793, 4982, 7379, 7586, 8321, 14758, 16642, 17437, 26551, 34874, 51653, 53102, 58247, 103306, 116494, 178271, 201029, 356542, 391087, 402058, 595501, 782174, 1191002, 1247897, 1407203, 2495794, 2737609, 2814406, 4168507, 5475218, 8337014, 9448363, 18896726, 27988547, 31561553, 55977094, 63123106, 66138541, 132277082, 195919829, 220930871, 391839658, 441861742, 1483392991, 2966785982, 10383750937, 20767501874]

約数ペア:

[(1, 20767501874), (2, 10383750937), (7, 2966785982), (14, 1483392991), (47, 441861742), (53, 391839658), (94, 220930871), (106, 195919829), (157, 132277082), (314, 66138541), (329, 63123106), (371, 55977094), (658, 31561553), (742, 27988547), (1099, 18896726), (2198, 9448363), (2491, 8337014), (3793, 5475218), (4982, 4168507), (7379, 2814406), (7586, 2737609), (8321, 2495794), (14758, 1407203), (16642, 1247897), (17437, 1191002), (26551, 782174), (34874, 595501), (51653, 402058), (53102, 391087), (58247, 356542), (103306, 201029), (116494, 178271)]