20488124

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5179}}^1$

素因数の和:5249

約数の個数: 24

約数和(自身を含む): 38290560

約数和(自身を除く): 17802436

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 5179, 10358, 20716, 119117, 222697, 238234, 445394, 476468, 890788, 5122031, 10244062, 20488124]

約数ペア:

[(1, 20488124), (2, 10244062), (4, 5122031), (23, 890788), (43, 476468), (46, 445394), (86, 238234), (92, 222697), (172, 119117), (989, 20716), (1978, 10358), (3956, 5179)]