20896812

素因数分解:

$2^2\times 3^3\times {\mathrm{181}}^1\times {\mathrm{1069}}^1$

素因数の和:1263

約数の個数: 48

約数和(自身を含む): 54527200

約数和(自身を除く): 33630388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 181, 362, 543, 724, 1069, 1086, 1629, 2138, 2172, 3207, 3258, 4276, 4887, 6414, 6516, 9621, 9774, 12828, 19242, 19548, 28863, 38484, 57726, 115452, 193489, 386978, 580467, 773956, 1160934, 1741401, 2321868, 3482802, 5224203, 6965604, 10448406, 20896812]

約数ペア:

[(1, 20896812), (2, 10448406), (3, 6965604), (4, 5224203), (6, 3482802), (9, 2321868), (12, 1741401), (18, 1160934), (27, 773956), (36, 580467), (54, 386978), (108, 193489), (181, 115452), (362, 57726), (543, 38484), (724, 28863), (1069, 19548), (1086, 19242), (1629, 12828), (2138, 9774), (2172, 9621), (3207, 6516), (3258, 6414), (4276, 4887)]