2000908795

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{445141}}^1$

素因数の和:445206

約数の個数: 16

約数和(自身を含む): 2564017920

約数和(自身を除く): 563109125

約数列:

[1, 5, 29, 31, 145, 155, 899, 4495, 445141, 2225705, 12909089, 13799371, 64545445, 68996855, 400181759, 2000908795]

約数ペア:

[(1, 2000908795), (5, 400181759), (29, 68996855), (31, 64545445), (145, 13799371), (155, 12909089), (899, 2225705), (4495, 445141)]