20385391728

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32668897}}^1$

素因数の和:32668921

約数の個数: 40

約数和(自身を含む): 56713206928

約数和(自身を除く): 36327815200

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32668897, 65337794, 98006691, 130675588, 196013382, 261351176, 392026764, 424695661, 522702352, 784053528, 849391322, 1274086983, 1568107056, 1698782644, 2548173966, 3397565288, 5096347932, 6795130576, 10192695864, 20385391728]

約数ペア:

[(1, 20385391728), (2, 10192695864), (3, 6795130576), (4, 5096347932), (6, 3397565288), (8, 2548173966), (12, 1698782644), (13, 1568107056), (16, 1274086983), (24, 849391322), (26, 784053528), (39, 522702352), (48, 424695661), (52, 392026764), (78, 261351176), (104, 196013382), (156, 130675588), (208, 98006691), (312, 65337794), (624, 32668897)]