20187964712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{148440917}}^1$

素因数の和:148440940

約数の個数: 16

約数和(自身を含む): 40079047860

約数和(自身を除く): 19891083148

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 148440917, 296881834, 593763668, 1187527336, 2523495589, 5046991178, 10093982356, 20187964712]

約数ペア:

[(1, 20187964712), (2, 10093982356), (4, 5046991178), (8, 2523495589), (17, 1187527336), (34, 593763668), (68, 296881834), (136, 148440917)]