20946771

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1733}}^1$

素因数の和:1835

約数の個数: 24

約数和(自身を含む): 32460480

約数和(自身を除く): 11513709

約数列:

[1, 3, 9, 17, 51, 79, 153, 237, 711, 1343, 1733, 4029, 5199, 12087, 15597, 29461, 88383, 136907, 265149, 410721, 1232163, 2327419, 6982257, 20946771]

約数ペア:

[(1, 20946771), (3, 6982257), (9, 2327419), (17, 1232163), (51, 410721), (79, 265149), (153, 136907), (237, 88383), (711, 29461), (1343, 15597), (1733, 12087), (4029, 5199)]