20349724549

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{22567}}^1$

素因数の和:22838

約数の個数: 32

約数和(自身を含む): 25998336000

約数和(自身を除く): 5648611451

約数列:

[1, 7, 11, 49, 77, 239, 343, 539, 1673, 2629, 3773, 11711, 18403, 22567, 81977, 128821, 157969, 248237, 901747, 1105783, 1737659, 5393513, 7740481, 12163613, 37754591, 59328643, 85145291, 264282137, 415300501, 1849974959, 2907103507, 20349724549]

約数ペア:

[(1, 20349724549), (7, 2907103507), (11, 1849974959), (49, 415300501), (77, 264282137), (239, 85145291), (343, 59328643), (539, 37754591), (1673, 12163613), (2629, 7740481), (3773, 5393513), (11711, 1737659), (18403, 1105783), (22567, 901747), (81977, 248237), (128821, 157969)]