20525434

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1283}}^1$

素因数の和:1725

約数の個数: 16

約数和(自身を含む): 32510880

約数和(自身を除く): 11985446

約数列:

[1, 2, 19, 38, 421, 842, 1283, 2566, 7999, 15998, 24377, 48754, 540143, 1080286, 10262717, 20525434]

約数ペア:

[(1, 20525434), (2, 10262717), (19, 1080286), (38, 540143), (421, 48754), (842, 24377), (1283, 15998), (2566, 7999)]