20815542

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{11681}}^1$

素因数の和:11706

約数の個数: 40

約数和(自身を含む): 50886792

約数和(自身を除く): 30071250

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 297, 594, 891, 1782, 11681, 23362, 35043, 70086, 105129, 128491, 210258, 256982, 315387, 385473, 630774, 770946, 946161, 1156419, 1892322, 2312838, 3469257, 6938514, 10407771, 20815542]

約数ペア:

[(1, 20815542), (2, 10407771), (3, 6938514), (6, 3469257), (9, 2312838), (11, 1892322), (18, 1156419), (22, 946161), (27, 770946), (33, 630774), (54, 385473), (66, 315387), (81, 256982), (99, 210258), (162, 128491), (198, 105129), (297, 70086), (594, 35043), (891, 23362), (1782, 11681)]