20173817840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{619589}}^1$

素因数の和:619650

約数の個数: 80

約数和(自身を含む): 52551145440

約数和(自身を除く): 32377327600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 1480, 1628, 2035, 2960, 3256, 4070, 6512, 8140, 16280, 32560, 619589, 1239178, 2478356, 3097945, 4956712, 6195890, 6815479, 9913424, 12391780, 13630958, 22924793, 24783560, 27261916, 34077395, 45849586, 49567120, 54523832, 68154790, 91699172, 109047664, 114623965, 136309580, 183398344, 229247930, 252172723, 272619160, 366796688, 458495860, 504345446, 545238320, 916991720, 1008690892, 1260863615, 1833983440, 2017381784, 2521727230, 4034763568, 5043454460, 10086908920, 20173817840]

約数ペア:

[(1, 20173817840), (2, 10086908920), (4, 5043454460), (5, 4034763568), (8, 2521727230), (10, 2017381784), (11, 1833983440), (16, 1260863615), (20, 1008690892), (22, 916991720), (37, 545238320), (40, 504345446), (44, 458495860), (55, 366796688), (74, 272619160), (80, 252172723), (88, 229247930), (110, 183398344), (148, 136309580), (176, 114623965), (185, 109047664), (220, 91699172), (296, 68154790), (370, 54523832), (407, 49567120), (440, 45849586), (592, 34077395), (740, 27261916), (814, 24783560), (880, 22924793), (1480, 13630958), (1628, 12391780), (2035, 9913424), (2960, 6815479), (3256, 6195890), (4070, 4956712), (6512, 3097945), (8140, 2478356), (16280, 1239178), (32560, 619589)]