20266935

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^2$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 36554784

約数和(自身を除く): 16287849

約数列:

[1, 3, 5, 13, 15, 37, 39, 53, 65, 111, 159, 185, 195, 265, 481, 555, 689, 795, 1443, 1961, 2067, 2405, 2809, 3445, 5883, 7215, 8427, 9805, 10335, 14045, 25493, 29415, 36517, 42135, 76479, 103933, 109551, 127465, 182585, 311799, 382395, 519665, 547755, 1351129, 1558995, 4053387, 6755645, 20266935]

約数ペア:

[(1, 20266935), (3, 6755645), (5, 4053387), (13, 1558995), (15, 1351129), (37, 547755), (39, 519665), (53, 382395), (65, 311799), (111, 182585), (159, 127465), (185, 109551), (195, 103933), (265, 76479), (481, 42135), (555, 36517), (689, 29415), (795, 25493), (1443, 14045), (1961, 10335), (2067, 9805), (2405, 8427), (2809, 7215), (3445, 5883)]