20656880342

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1699}}^1\times {\mathrm{10993}}^1$

素因数の和:12780

約数の個数: 32

約数和(自身を含む): 35884416000

約数和(自身を除く): 15227535658

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 1699, 3398, 10993, 11893, 21986, 23786, 76951, 134221, 153902, 268442, 868447, 939547, 1736894, 1879094, 6079129, 12158258, 18677107, 37354214, 130739749, 261479498, 1475491453, 2950982906, 10328440171, 20656880342]

約数ペア:

[(1, 20656880342), (2, 10328440171), (7, 2950982906), (14, 1475491453), (79, 261479498), (158, 130739749), (553, 37354214), (1106, 18677107), (1699, 12158258), (3398, 6079129), (10993, 1879094), (11893, 1736894), (21986, 939547), (23786, 868447), (76951, 268442), (134221, 153902)]