201820580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{776233}}^1$

素因数の和:776255

約数の個数: 24

約数和(自身を含む): 456425592

約数和(自身を除く): 254605012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 776233, 1552466, 3104932, 3881165, 7762330, 10091029, 15524660, 20182058, 40364116, 50455145, 100910290, 201820580]

約数ペア:

[(1, 201820580), (2, 100910290), (4, 50455145), (5, 40364116), (10, 20182058), (13, 15524660), (20, 10091029), (26, 7762330), (52, 3881165), (65, 3104932), (130, 1552466), (260, 776233)]