20512894572

素因数分解:

$2^2\times 3^5\times {\mathrm{37}}^1\times {\mathrm{570373}}^1$

素因数の和:570429

約数の個数: 72

約数和(自身を含む): 55225892176

約数和(自身を除く): 34712997604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 243, 324, 333, 444, 486, 666, 972, 999, 1332, 1998, 2997, 3996, 5994, 8991, 11988, 17982, 35964, 570373, 1140746, 1711119, 2281492, 3422238, 5133357, 6844476, 10266714, 15400071, 20533428, 21103801, 30800142, 42207602, 46200213, 61600284, 63311403, 84415204, 92400426, 126622806, 138600639, 184800852, 189934209, 253245612, 277201278, 379868418, 554402556, 569802627, 759736836, 1139605254, 1709407881, 2279210508, 3418815762, 5128223643, 6837631524, 10256447286, 20512894572]

約数ペア:

[(1, 20512894572), (2, 10256447286), (3, 6837631524), (4, 5128223643), (6, 3418815762), (9, 2279210508), (12, 1709407881), (18, 1139605254), (27, 759736836), (36, 569802627), (37, 554402556), (54, 379868418), (74, 277201278), (81, 253245612), (108, 189934209), (111, 184800852), (148, 138600639), (162, 126622806), (222, 92400426), (243, 84415204), (324, 63311403), (333, 61600284), (444, 46200213), (486, 42207602), (666, 30800142), (972, 21103801), (999, 20533428), (1332, 15400071), (1998, 10266714), (2997, 6844476), (3996, 5133357), (5994, 3422238), (8991, 2281492), (11988, 1711119), (17982, 1140746), (35964, 570373)]