2000505955

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{642217}}^1$

素因数の和:642318

約数の個数: 16

約数和(自身を含む): 2774381760

約数和(自身を除く): 773875805

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 642217, 3211085, 4495519, 22477595, 57157313, 285786565, 400101191, 2000505955]

約数ペア:

[(1, 2000505955), (5, 400101191), (7, 285786565), (35, 57157313), (89, 22477595), (445, 4495519), (623, 3211085), (3115, 642217)]