20902014

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8731}}^1$

素因数の和:8765

約数の個数: 48

約数和(自身を含む): 54487680

約数和(自身を除く): 33585666

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 8731, 17462, 26193, 52386, 61117, 78579, 122234, 157158, 165889, 183351, 331778, 366702, 497667, 550053, 995334, 1100106, 1161223, 1493001, 2322446, 2986002, 3483669, 6967338, 10451007, 20902014]

約数ペア:

[(1, 20902014), (2, 10451007), (3, 6967338), (6, 3483669), (7, 2986002), (9, 2322446), (14, 1493001), (18, 1161223), (19, 1100106), (21, 995334), (38, 550053), (42, 497667), (57, 366702), (63, 331778), (114, 183351), (126, 165889), (133, 157158), (171, 122234), (266, 78579), (342, 61117), (399, 52386), (798, 26193), (1197, 17462), (2394, 8731)]