20972754

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1451}}^1$

素因数の和:1543

約数の個数: 48

約数和(自身を含む): 50285664

約数和(自身を除く): 29312910

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 73, 99, 146, 198, 219, 438, 657, 803, 1314, 1451, 1606, 2409, 2902, 4353, 4818, 7227, 8706, 13059, 14454, 15961, 26118, 31922, 47883, 95766, 105923, 143649, 211846, 287298, 317769, 635538, 953307, 1165153, 1906614, 2330306, 3495459, 6990918, 10486377, 20972754]

約数ペア:

[(1, 20972754), (2, 10486377), (3, 6990918), (6, 3495459), (9, 2330306), (11, 1906614), (18, 1165153), (22, 953307), (33, 635538), (66, 317769), (73, 287298), (99, 211846), (146, 143649), (198, 105923), (219, 95766), (438, 47883), (657, 31922), (803, 26118), (1314, 15961), (1451, 14454), (1606, 13059), (2409, 8706), (2902, 7227), (4353, 4818)]