20128435528

素因数分解:

$2^3\times {\mathrm{1231}}^1\times {\mathrm{2043911}}^1$

素因数の和:2045148

約数の個数: 16

約数和(自身を含む): 37771493760

約数和(自身を除く): 17643058232

約数列:

[1, 2, 4, 8, 1231, 2462, 4924, 9848, 2043911, 4087822, 8175644, 16351288, 2516054441, 5032108882, 10064217764, 20128435528]

約数ペア:

[(1, 20128435528), (2, 10064217764), (4, 5032108882), (8, 2516054441), (1231, 16351288), (2462, 8175644), (4924, 4087822), (9848, 2043911)]