20657296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117371}}^1$

素因数の和:117390

約数の個数: 20

約数和(自身を含む): 43662384

約数和(自身を除く): 23005088

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117371, 234742, 469484, 938968, 1291081, 1877936, 2582162, 5164324, 10328648, 20657296]

約数ペア:

[(1, 20657296), (2, 10328648), (4, 5164324), (8, 2582162), (11, 1877936), (16, 1291081), (22, 938968), (44, 469484), (88, 234742), (176, 117371)]