20352724

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 43563520

約数和(自身を除く): 23210796

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 67, 76, 133, 134, 266, 268, 469, 532, 571, 938, 1142, 1273, 1876, 2284, 2546, 3997, 5092, 7994, 8911, 10849, 15988, 17822, 21698, 35644, 38257, 43396, 75943, 76514, 151886, 153028, 267799, 303772, 535598, 726883, 1071196, 1453766, 2907532, 5088181, 10176362, 20352724]

約数ペア:

[(1, 20352724), (2, 10176362), (4, 5088181), (7, 2907532), (14, 1453766), (19, 1071196), (28, 726883), (38, 535598), (67, 303772), (76, 267799), (133, 153028), (134, 151886), (266, 76514), (268, 75943), (469, 43396), (532, 38257), (571, 35644), (938, 21698), (1142, 17822), (1273, 15988), (1876, 10849), (2284, 8911), (2546, 7994), (3997, 5092)]