20492553

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{2371}}^1$

素因数の和:2484

約数の個数: 16

約数和(自身を含む): 28388096

約数和(自身を除く): 7895543

約数列:

[1, 3, 43, 67, 129, 201, 2371, 2881, 7113, 8643, 101953, 158857, 305859, 476571, 6830851, 20492553]

約数ペア:

[(1, 20492553), (3, 6830851), (43, 476571), (67, 305859), (129, 158857), (201, 101953), (2371, 8643), (2881, 7113)]