20172062488

素因数分解:

$2^3\times {\mathrm{1973}}^1\times {\mathrm{1278007}}^1$

素因数の和:1279986

約数の個数: 16

約数和(自身を含む): 37841816880

約数和(自身を除く): 17669754392

約数列:

[1, 2, 4, 8, 1973, 3946, 7892, 15784, 1278007, 2556014, 5112028, 10224056, 2521507811, 5043015622, 10086031244, 20172062488]

約数ペア:

[(1, 20172062488), (2, 10086031244), (4, 5043015622), (8, 2521507811), (1973, 10224056), (3946, 5112028), (7892, 2556014), (15784, 1278007)]