20970824

素因数分解:

$2^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 46542780

約数和(自身を除く): 25571956

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 61, 98, 122, 196, 244, 392, 427, 488, 854, 877, 1708, 1754, 2989, 3416, 3508, 5978, 6139, 7016, 11956, 12278, 23912, 24556, 42973, 49112, 53497, 85946, 106994, 171892, 213988, 343784, 374479, 427976, 748958, 1497916, 2621353, 2995832, 5242706, 10485412, 20970824]

約数ペア:

[(1, 20970824), (2, 10485412), (4, 5242706), (7, 2995832), (8, 2621353), (14, 1497916), (28, 748958), (49, 427976), (56, 374479), (61, 343784), (98, 213988), (122, 171892), (196, 106994), (244, 85946), (392, 53497), (427, 49112), (488, 42973), (854, 24556), (877, 23912), (1708, 12278), (1754, 11956), (2989, 7016), (3416, 6139), (3508, 5978)]