20540158

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1831}}^1$

素因数の和:1983

約数の個数: 16

約数和(自身を含む): 31656960

約数和(自身を除く): 11116802

約数列:

[1, 2, 71, 79, 142, 158, 1831, 3662, 5609, 11218, 130001, 144649, 260002, 289298, 10270079, 20540158]

約数ペア:

[(1, 20540158), (2, 10270079), (71, 289298), (79, 260002), (142, 144649), (158, 130001), (1831, 11218), (3662, 5609)]