20611157

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{457}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 25061760

約数和(自身を除く): 4450603

約数列:

[1, 7, 17, 119, 379, 457, 2653, 3199, 6443, 7769, 45101, 54383, 173203, 1212421, 2944451, 20611157]

約数ペア:

[(1, 20611157), (7, 2944451), (17, 1212421), (119, 173203), (379, 54383), (457, 45101), (2653, 7769), (3199, 6443)]