20135772811

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{762401}}^1$

素因数の和:762440

約数の個数: 20

約数和(自身を含む): 25625856024

約数和(自身を除く): 5490083213

約数列:

[1, 7, 11, 49, 77, 343, 539, 2401, 3773, 26411, 762401, 5336807, 8386411, 37357649, 58704877, 261503543, 410934139, 1830524801, 2876538973, 20135772811]

約数ペア:

[(1, 20135772811), (7, 2876538973), (11, 1830524801), (49, 410934139), (77, 261503543), (343, 58704877), (539, 37357649), (2401, 8386411), (3773, 5336807), (26411, 762401)]