20189999

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 22226400

約数和(自身を除く): 2036401

約数列:

[1, 17, 41, 83, 349, 697, 1411, 3403, 5933, 14309, 28967, 57851, 243253, 492439, 1187647, 20189999]

約数ペア:

[(1, 20189999), (17, 1187647), (41, 492439), (83, 243253), (349, 57851), (697, 28967), (1411, 14309), (3403, 5933)]