20649086

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{1039}}^1$

素因数の和:1583

約数の個数: 16

約数和(自身を含む): 32697600

約数和(自身を除く): 12048514

約数列:

[1, 2, 19, 38, 523, 1039, 1046, 2078, 9937, 19741, 19874, 39482, 543397, 1086794, 10324543, 20649086]

約数ペア:

[(1, 20649086), (2, 10324543), (19, 1086794), (38, 543397), (523, 39482), (1039, 19874), (1046, 19741), (2078, 9937)]