20187917085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1866659}}^1$

素因数の和:1866777

約数の個数: 32

約数和(自身を含む): 37273466880

約数和(自身を除く): 17085549795

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 309, 515, 721, 1545, 2163, 3605, 10815, 1866659, 5599977, 9333295, 13066613, 27999885, 39199839, 65333065, 192265877, 195999195, 576797631, 961329385, 1345861139, 2883988155, 4037583417, 6729305695, 20187917085]

約数ペア:

[(1, 20187917085), (3, 6729305695), (5, 4037583417), (7, 2883988155), (15, 1345861139), (21, 961329385), (35, 576797631), (103, 195999195), (105, 192265877), (309, 65333065), (515, 39199839), (721, 27999885), (1545, 13066613), (2163, 9333295), (3605, 5599977), (10815, 1866659)]