20121266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1301}}^1$

素因数の和:1370

約数の個数: 32

約数和(自身を含む): 35622720

約数和(自身を除く): 15501454

約数列:

[1, 2, 11, 19, 22, 37, 38, 74, 209, 407, 418, 703, 814, 1301, 1406, 2602, 7733, 14311, 15466, 24719, 28622, 48137, 49438, 96274, 271909, 529507, 543818, 914603, 1059014, 1829206, 10060633, 20121266]

約数ペア:

[(1, 20121266), (2, 10060633), (11, 1829206), (19, 1059014), (22, 914603), (37, 543818), (38, 529507), (74, 271909), (209, 96274), (407, 49438), (418, 48137), (703, 28622), (814, 24719), (1301, 15466), (1406, 14311), (2602, 7733)]