20348520213

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6171829}}^1$

素因数の和:6171996

約数の個数: 16

約数和(自身を含む): 31204772480

約数和(自身を除く): 10856252267

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 6171829, 18515487, 43202803, 129608409, 968977153, 2906931459, 6782840071, 20348520213]

約数ペア:

[(1, 20348520213), (3, 6782840071), (7, 2906931459), (21, 968977153), (157, 129608409), (471, 43202803), (1099, 18515487), (3297, 6171829)]