20219056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8837}}^1$

素因数の和:8869

約数の個数: 40

約数和(自身を含む): 46028304

約数和(自身を除く): 25809248

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8837, 17674, 35348, 70696, 97207, 114881, 141392, 194414, 229762, 388828, 459524, 777656, 919048, 1263691, 1555312, 1838096, 2527382, 5054764, 10109528, 20219056]

約数ペア:

[(1, 20219056), (2, 10109528), (4, 5054764), (8, 2527382), (11, 1838096), (13, 1555312), (16, 1263691), (22, 919048), (26, 777656), (44, 459524), (52, 388828), (88, 229762), (104, 194414), (143, 141392), (176, 114881), (208, 97207), (286, 70696), (572, 35348), (1144, 17674), (2288, 8837)]