20734491

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2617}}^1$

素因数の和:2778

約数の個数: 16

約数和(自身を含む): 29321600

約数和(自身を除く): 8587109

約数列:

[1, 3, 19, 57, 139, 417, 2617, 2641, 7851, 7923, 49723, 149169, 363763, 1091289, 6911497, 20734491]

約数ペア:

[(1, 20734491), (3, 6911497), (19, 1091289), (57, 363763), (139, 149169), (417, 49723), (2617, 7923), (2641, 7851)]