20719592

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23761}}^1$

素因数の和:23876

約数の個数: 16

約数和(自身を含む): 39207300

約数和(自身を除く): 18487708

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23761, 47522, 95044, 190088, 2589949, 5179898, 10359796, 20719592]

約数ペア:

[(1, 20719592), (2, 10359796), (4, 5179898), (8, 2589949), (109, 190088), (218, 95044), (436, 47522), (872, 23761)]