20481296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{116371}}^1$

素因数の和:116390

約数の個数: 20

約数和(自身を含む): 43290384

約数和(自身を除く): 22809088

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 116371, 232742, 465484, 930968, 1280081, 1861936, 2560162, 5120324, 10240648, 20481296]

約数ペア:

[(1, 20481296), (2, 10240648), (4, 5120324), (8, 2560162), (11, 1861936), (16, 1280081), (22, 930968), (44, 465484), (88, 232742), (176, 116371)]