20797286104

素因数分解:

$2^3\times 7^1\times {\mathrm{659}}^1\times {\mathrm{563551}}^1$

素因数の和:564223

約数の個数: 32

約数和(自身を含む): 44633318400

約数和(自身を除く): 23836032296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 659, 1318, 2636, 4613, 5272, 9226, 18452, 36904, 563551, 1127102, 2254204, 3944857, 4508408, 7889714, 15779428, 31558856, 371380109, 742760218, 1485520436, 2599660763, 2971040872, 5199321526, 10398643052, 20797286104]

約数ペア:

[(1, 20797286104), (2, 10398643052), (4, 5199321526), (7, 2971040872), (8, 2599660763), (14, 1485520436), (28, 742760218), (56, 371380109), (659, 31558856), (1318, 15779428), (2636, 7889714), (4613, 4508408), (5272, 3944857), (9226, 2254204), (18452, 1127102), (36904, 563551)]