20167579803

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1498223}}^1$

素因数の和:1498874

約数の個数: 16

約数和(自身を含む): 30779513856

約数和(自身を除く): 10611934053

約数列:

[1, 3, 7, 21, 641, 1923, 4487, 13461, 1498223, 4494669, 10487561, 31462683, 960360943, 2881082829, 6722526601, 20167579803]

約数ペア:

[(1, 20167579803), (3, 6722526601), (7, 2881082829), (21, 960360943), (641, 31462683), (1923, 10487561), (4487, 4494669), (13461, 1498223)]