20187563

素因数分解:

${\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:382

約数の個数: 16

約数和(自身を含む): 22572000

約数和(自身を除く): 2384437

約数列:

[1, 11, 109, 113, 149, 1199, 1243, 1639, 12317, 16241, 16837, 135487, 178651, 185207, 1835233, 20187563]

約数ペア:

[(1, 20187563), (11, 1835233), (109, 185207), (113, 178651), (149, 135487), (1199, 16837), (1243, 16241), (1639, 12317)]