20718632

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{235439}}^1$

素因数の和:235456

約数の個数: 16

約数和(自身を含む): 42379200

約数和(自身を除く): 21660568

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 235439, 470878, 941756, 1883512, 2589829, 5179658, 10359316, 20718632]

約数ペア:

[(1, 20718632), (2, 10359316), (4, 5179658), (8, 2589829), (11, 1883512), (22, 941756), (44, 470878), (88, 235439)]