20227571

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11699}}^1$

素因数の和:11738

約数の個数: 16

約数和(自身を含む): 26208000

約数和(自身を除く): 5980429

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11699, 81893, 152087, 222281, 1064609, 1555967, 2889653, 20227571]

約数ペア:

[(1, 20227571), (7, 2889653), (13, 1555967), (19, 1064609), (91, 222281), (133, 152087), (247, 81893), (1729, 11699)]