20178116575

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{264371}}^1$

素因数の和:264495

約数の個数: 24

約数和(自身を含む): 25963445376

約数和(自身を除く): 5785328801

約数列:

[1, 5, 25, 43, 71, 215, 355, 1075, 1775, 3053, 15265, 76325, 264371, 1321855, 6609275, 11367953, 18770341, 56839765, 93851705, 284198825, 469258525, 807124663, 4035623315, 20178116575]

約数ペア:

[(1, 20178116575), (5, 4035623315), (25, 807124663), (43, 469258525), (71, 284198825), (215, 93851705), (355, 56839765), (1075, 18770341), (1775, 11367953), (3053, 6609275), (15265, 1321855), (76325, 264371)]