20538011832

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2467}}^1\times {\mathrm{26683}}^1$

素因数の和:29172

約数の個数: 64

約数和(自身を含む): 55319134080

約数和(自身を除く): 34781122248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 2467, 4934, 7401, 9868, 14802, 19736, 26683, 29604, 32071, 53366, 59208, 64142, 80049, 96213, 106732, 128284, 160098, 192426, 213464, 256568, 320196, 346879, 384852, 640392, 693758, 769704, 1040637, 1387516, 2081274, 2775032, 4162548, 8325096, 65826961, 131653922, 197480883, 263307844, 394961766, 526615688, 789923532, 855750493, 1579847064, 1711500986, 2567251479, 3423001972, 5134502958, 6846003944, 10269005916, 20538011832]

約数ペア:

[(1, 20538011832), (2, 10269005916), (3, 6846003944), (4, 5134502958), (6, 3423001972), (8, 2567251479), (12, 1711500986), (13, 1579847064), (24, 855750493), (26, 789923532), (39, 526615688), (52, 394961766), (78, 263307844), (104, 197480883), (156, 131653922), (312, 65826961), (2467, 8325096), (4934, 4162548), (7401, 2775032), (9868, 2081274), (14802, 1387516), (19736, 1040637), (26683, 769704), (29604, 693758), (32071, 640392), (53366, 384852), (59208, 346879), (64142, 320196), (80049, 256568), (96213, 213464), (106732, 192426), (128284, 160098)]