20381247123

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1601}}^1\times {\mathrm{223339}}^1$

素因数の和:224962

約数の個数: 16

約数和(自身を含む): 28623254400

約数和(自身を除く): 8242007277

約数列:

[1, 3, 19, 57, 1601, 4803, 30419, 91257, 223339, 670017, 4243441, 12730323, 357565739, 1072697217, 6793749041, 20381247123]

約数ペア:

[(1, 20381247123), (3, 6793749041), (19, 1072697217), (57, 357565739), (1601, 12730323), (4803, 4243441), (30419, 670017), (91257, 223339)]