20995964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20747}}^1$

素因数の和:20785

約数の個数: 24

約数和(自身を含む): 41827968

約数和(自身を除く): 20832004

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 20747, 41494, 82988, 228217, 456434, 477181, 912868, 954362, 1908724, 5248991, 10497982, 20995964]

約数ペア:

[(1, 20995964), (2, 10497982), (4, 5248991), (11, 1908724), (22, 954362), (23, 912868), (44, 477181), (46, 456434), (92, 228217), (253, 82988), (506, 41494), (1012, 20747)]