20064777

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{991}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 28426752

約数和(自身を除く): 8361975

約数列:

[1, 3, 17, 51, 397, 991, 1191, 2973, 6749, 16847, 20247, 50541, 393427, 1180281, 6688259, 20064777]

約数ペア:

[(1, 20064777), (3, 6688259), (17, 1180281), (51, 393427), (397, 50541), (991, 20247), (1191, 16847), (2973, 6749)]