20105997775

素因数分解:

$5^2\times {\mathrm{223}}^1\times {\mathrm{433}}^1\times {\mathrm{8329}}^1$

素因数の和:8995

約数の個数: 24

約数和(自身を含む): 25104087680

約数和(自身を除く): 4998089905

約数列:

[1, 5, 25, 223, 433, 1115, 2165, 5575, 8329, 10825, 41645, 96559, 208225, 482795, 1857367, 2413975, 3606457, 9286835, 18032285, 46434175, 90161425, 804239911, 4021199555, 20105997775]

約数ペア:

[(1, 20105997775), (5, 4021199555), (25, 804239911), (223, 90161425), (433, 46434175), (1115, 18032285), (2165, 9286835), (5575, 3606457), (8329, 2413975), (10825, 1857367), (41645, 482795), (96559, 208225)]