20123646445

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1\times {\mathrm{32537}}^1$

素因数の和:33021

約数の個数: 32

約数和(自身を含む): 28337734656

約数和(自身を除く): 8214088211

約数列:

[1, 5, 7, 35, 41, 205, 287, 431, 1435, 2155, 3017, 15085, 17671, 32537, 88355, 123697, 162685, 227759, 618485, 1138795, 1334017, 6670085, 9338119, 14023447, 46690595, 70117235, 98164129, 490820645, 574961327, 2874806635, 4024729289, 20123646445]

約数ペア:

[(1, 20123646445), (5, 4024729289), (7, 2874806635), (35, 574961327), (41, 490820645), (205, 98164129), (287, 70117235), (431, 46690595), (1435, 14023447), (2155, 9338119), (3017, 6670085), (15085, 1334017), (17671, 1138795), (32537, 618485), (88355, 227759), (123697, 162685)]