220163878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{19661}}^1$

素因数の和:20183

約数の個数: 16

約数和(自身を含む): 360994320

約数和(自身を除く): 140830442

約数列:

[1, 2, 11, 22, 509, 1018, 5599, 11198, 19661, 39322, 216271, 432542, 10007449, 20014898, 110081939, 220163878]

約数ペア:

[(1, 220163878), (2, 110081939), (11, 20014898), (22, 10007449), (509, 432542), (1018, 216271), (5599, 39322), (11198, 19661)]