20051168571

素因数分解:

$3^5\times 7^1\times {\mathrm{3301}}^1\times {\mathrm{3571}}^1$

素因数の和:6894

約数の個数: 48

約数和(自身を含む): 34346294528

約数和(自身を除く): 14295125957

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 3301, 3571, 9903, 10713, 23107, 24997, 29709, 32139, 69321, 74991, 89127, 96417, 207963, 224973, 267381, 289251, 623889, 674919, 802143, 867753, 1871667, 2024757, 5615001, 6074271, 11787871, 35363613, 82515097, 106090839, 247545291, 318272517, 742635873, 954817551, 2227907619, 2864452653, 6683722857, 20051168571]

約数ペア:

[(1, 20051168571), (3, 6683722857), (7, 2864452653), (9, 2227907619), (21, 954817551), (27, 742635873), (63, 318272517), (81, 247545291), (189, 106090839), (243, 82515097), (567, 35363613), (1701, 11787871), (3301, 6074271), (3571, 5615001), (9903, 2024757), (10713, 1871667), (23107, 867753), (24997, 802143), (29709, 674919), (32139, 623889), (69321, 289251), (74991, 267381), (89127, 224973), (96417, 207963)]