20129595871

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{56671}}^1$

素因数の和:57355

約数の個数: 24

約数和(自身を含む): 25584007680

約数和(自身を除く): 5454411809

約数列:

[1, 7, 11, 49, 77, 539, 659, 4613, 7249, 32291, 50743, 56671, 355201, 396697, 623381, 2776879, 4363667, 30545669, 37346189, 261423323, 410808079, 1829963261, 2875656553, 20129595871]

約数ペア:

[(1, 20129595871), (7, 2875656553), (11, 1829963261), (49, 410808079), (77, 261423323), (539, 37346189), (659, 30545669), (4613, 4363667), (7249, 2776879), (32291, 623381), (50743, 396697), (56671, 355201)]