22720405

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:876

約数の個数: 16

約数和(自身を含む): 28191744

約数和(自身を除く): 5471339

約数列:

[1, 5, 37, 185, 191, 643, 955, 3215, 7067, 23791, 35335, 118955, 122813, 614065, 4544081, 22720405]

約数ペア:

[(1, 22720405), (5, 4544081), (37, 614065), (185, 122813), (191, 118955), (643, 35335), (955, 23791), (3215, 7067)]