20223580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77783}}^1$

素因数の和:77805

約数の個数: 24

約数和(自身を含む): 45736992

約数和(自身を除く): 25513412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77783, 155566, 311132, 388915, 777830, 1011179, 1555660, 2022358, 4044716, 5055895, 10111790, 20223580]

約数ペア:

[(1, 20223580), (2, 10111790), (4, 5055895), (5, 4044716), (10, 2022358), (13, 1555660), (20, 1011179), (26, 777830), (52, 388915), (65, 311132), (130, 155566), (260, 77783)]