20004492290

素因数分解:

$2^1\times 5^1\times {\mathrm{46861}}^1\times {\mathrm{42689}}^1$

素因数の和:89557

約数の個数: 16

約数和(自身を含む): 36009698040

約数和(自身を除く): 16005205750

約数列:

[1, 2, 5, 10, 42689, 46861, 85378, 93722, 213445, 234305, 426890, 468610, 2000449229, 4000898458, 10002246145, 20004492290]

約数ペア:

[(1, 20004492290), (2, 10002246145), (5, 4000898458), (10, 2000449229), (42689, 468610), (46861, 426890), (85378, 234305), (93722, 213445)]