20174970868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20420011}}^1$

素因数の和:20420047

約数の個数: 24

約数和(自身を含む): 40023223520

約数和(自身を除く): 19848252652

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20420011, 40840022, 81680044, 265460143, 387980209, 530920286, 775960418, 1061840572, 1551920836, 5043742717, 10087485434, 20174970868]

約数ペア:

[(1, 20174970868), (2, 10087485434), (4, 5043742717), (13, 1551920836), (19, 1061840572), (26, 775960418), (38, 530920286), (52, 387980209), (76, 265460143), (247, 81680044), (494, 40840022), (988, 20420011)]