20845713

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16273}}^1$

素因数の和:16344

約数の個数: 16

約数和(自身を含む): 32287616

約数和(自身を除く): 11441903

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 16273, 48819, 113911, 341733, 992653, 2977959, 6948571, 20845713]

約数ペア:

[(1, 20845713), (3, 6948571), (7, 2977959), (21, 992653), (61, 341733), (183, 113911), (427, 48819), (1281, 16273)]