20315323

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5507}}^1$

素因数の和:5562

約数の個数: 16

約数和(自身を含む): 25380864

約数和(自身を除く): 5065541

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 5507, 38549, 93619, 170717, 655333, 1195019, 2902189, 20315323]

約数ペア:

[(1, 20315323), (7, 2902189), (17, 1195019), (31, 655333), (119, 170717), (217, 93619), (527, 38549), (3689, 5507)]