20346865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1353

約数の個数: 32

約数和(自身を含む): 31207680

約数和(自身を除く): 10860815

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 205, 287, 385, 451, 1289, 1435, 2255, 3157, 6445, 9023, 14179, 15785, 45115, 52849, 70895, 99253, 264245, 369943, 496265, 581339, 1849715, 2906695, 4069373, 20346865]

約数ペア:

[(1, 20346865), (5, 4069373), (7, 2906695), (11, 1849715), (35, 581339), (41, 496265), (55, 369943), (77, 264245), (205, 99253), (287, 70895), (385, 52849), (451, 45115), (1289, 15785), (1435, 14179), (2255, 9023), (3157, 6445)]