20147765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4637}}^1$

素因数の和:4732

約数の個数: 16

約数和(自身を含む): 26714880

約数和(自身を除く): 6567115

約数列:

[1, 5, 11, 55, 79, 395, 869, 4345, 4637, 23185, 51007, 255035, 366323, 1831615, 4029553, 20147765]

約数ペア:

[(1, 20147765), (5, 4029553), (11, 1831615), (55, 366323), (79, 255035), (395, 51007), (869, 23185), (4345, 4637)]