20669182

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{769}}^1$

素因数の和:1011

約数の個数: 16

約数和(自身を含む): 31600800

約数和(自身を除く): 10931618

約数列:

[1, 2, 89, 151, 178, 302, 769, 1538, 13439, 26878, 68441, 116119, 136882, 232238, 10334591, 20669182]

約数ペア:

[(1, 20669182), (2, 10334591), (89, 232238), (151, 136882), (178, 116119), (302, 68441), (769, 26878), (1538, 13439)]