20005652163

素因数分解:

$3^1\times 7^1\times {\mathrm{4001}}^1\times {\mathrm{238103}}^1$

素因数の和:242114

約数の個数: 16

約数和(自身を含む): 30492550656

約数和(自身を除く): 10486898493

約数列:

[1, 3, 7, 21, 4001, 12003, 28007, 84021, 238103, 714309, 1666721, 5000163, 952650103, 2857950309, 6668550721, 20005652163]

約数ペア:

[(1, 20005652163), (3, 6668550721), (7, 2857950309), (21, 952650103), (4001, 5000163), (12003, 1666721), (28007, 714309), (84021, 238103)]