20764566

素因数分解:

$2^1\times 3^3\times {\mathrm{563}}^1\times {\mathrm{683}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 46293120

約数和(自身を除く): 25528554

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 563, 683, 1126, 1366, 1689, 2049, 3378, 4098, 5067, 6147, 10134, 12294, 15201, 18441, 30402, 36882, 384529, 769058, 1153587, 2307174, 3460761, 6921522, 10382283, 20764566]

約数ペア:

[(1, 20764566), (2, 10382283), (3, 6921522), (6, 3460761), (9, 2307174), (18, 1153587), (27, 769058), (54, 384529), (563, 36882), (683, 30402), (1126, 18441), (1366, 15201), (1689, 12294), (2049, 10134), (3378, 6147), (4098, 5067)]