20189147

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 23155200

約数和(自身を除く): 2966053

約数列:

[1, 11, 23, 199, 253, 401, 2189, 4411, 4577, 9223, 50347, 79799, 101453, 877789, 1835377, 20189147]

約数ペア:

[(1, 20189147), (11, 1835377), (23, 877789), (199, 101453), (253, 79799), (401, 50347), (2189, 9223), (4411, 4577)]