20498911

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 22484160

約数和(自身を除く): 1985249

約数列:

[1, 23, 29, 73, 421, 667, 1679, 2117, 9683, 12209, 30733, 48691, 280807, 706859, 891257, 20498911]

約数ペア:

[(1, 20498911), (23, 891257), (29, 706859), (73, 280807), (421, 48691), (667, 30733), (1679, 12209), (2117, 9683)]