20887615994

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{877}}^1\times {\mathrm{45979}}^1$

素因数の和:46902

約数の個数: 32

約数和(自身を含む): 36817841280

約数和(自身を除く): 15930225286

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 877, 1754, 6139, 12278, 32449, 45979, 64898, 91958, 227143, 321853, 454286, 643706, 1701223, 3402446, 11908561, 23817122, 40323583, 80647166, 282265081, 564530162, 1491972571, 2983945142, 10443807997, 20887615994]

約数ペア:

[(1, 20887615994), (2, 10443807997), (7, 2983945142), (14, 1491972571), (37, 564530162), (74, 282265081), (259, 80647166), (518, 40323583), (877, 23817122), (1754, 11908561), (6139, 3402446), (12278, 1701223), (32449, 643706), (45979, 454286), (64898, 321853), (91958, 227143)]