20510352

素因数分解:

$2^4\times 3^2\times {\mathrm{142433}}^1$

素因数の和:142447

約数の個数: 30

約数和(自身を含む): 57400902

約数和(自身を除く): 36890550

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 142433, 284866, 427299, 569732, 854598, 1139464, 1281897, 1709196, 2278928, 2563794, 3418392, 5127588, 6836784, 10255176, 20510352]

約数ペア:

[(1, 20510352), (2, 10255176), (3, 6836784), (4, 5127588), (6, 3418392), (8, 2563794), (9, 2278928), (12, 1709196), (16, 1281897), (18, 1139464), (24, 854598), (36, 569732), (48, 427299), (72, 284866), (144, 142433)]