20907792

素因数分解:

$2^4\times 3^2\times {\mathrm{145193}}^1$

素因数の和:145207

約数の個数: 30

約数和(自身を含む): 58513182

約数和(自身を除く): 37605390

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145193, 290386, 435579, 580772, 871158, 1161544, 1306737, 1742316, 2323088, 2613474, 3484632, 5226948, 6969264, 10453896, 20907792]

約数ペア:

[(1, 20907792), (2, 10453896), (3, 6969264), (4, 5226948), (6, 3484632), (8, 2613474), (9, 2323088), (12, 1742316), (16, 1306737), (18, 1161544), (24, 871158), (36, 580772), (48, 435579), (72, 290386), (144, 145193)]