20806254

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2897}}^1$

素因数の和:2934

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 34835346

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 378, 399, 513, 798, 1026, 1197, 2394, 2897, 3591, 5794, 7182, 8691, 17382, 20279, 26073, 40558, 52146, 55043, 60837, 78219, 110086, 121674, 156438, 165129, 182511, 330258, 365022, 385301, 495387, 547533, 770602, 990774, 1095066, 1155903, 1486161, 2311806, 2972322, 3467709, 6935418, 10403127, 20806254]

約数ペア:

[(1, 20806254), (2, 10403127), (3, 6935418), (6, 3467709), (7, 2972322), (9, 2311806), (14, 1486161), (18, 1155903), (19, 1095066), (21, 990774), (27, 770602), (38, 547533), (42, 495387), (54, 385301), (57, 365022), (63, 330258), (114, 182511), (126, 165129), (133, 156438), (171, 121674), (189, 110086), (266, 78219), (342, 60837), (378, 55043), (399, 52146), (513, 40558), (798, 26073), (1026, 20279), (1197, 17382), (2394, 8691), (2897, 7182), (3591, 5794)]