20531354

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{757}}^1$

素因数の和:1021

約数の個数: 16

約数和(自身を含む): 31435776

約数和(自身を除く): 10904422

約数列:

[1, 2, 71, 142, 191, 382, 757, 1514, 13561, 27122, 53747, 107494, 144587, 289174, 10265677, 20531354]

約数ペア:

[(1, 20531354), (2, 10265677), (71, 289174), (142, 144587), (191, 107494), (382, 53747), (757, 27122), (1514, 13561)]