20804948395

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{54038827}}^1$

素因数の和:54038850

約数の個数: 16

約数和(自身を含む): 31126364928

約数和(自身を除く): 10321416533

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 54038827, 270194135, 378271789, 594427097, 1891358945, 2972135485, 4160989679, 20804948395]

約数ペア:

[(1, 20804948395), (5, 4160989679), (7, 2972135485), (11, 1891358945), (35, 594427097), (55, 378271789), (77, 270194135), (385, 54038827)]