20902554

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{823}}^1$

素因数の和:931

約数の個数: 48

約数和(自身を含む): 48589632

約数和(自身を除く): 27687078

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 83, 102, 153, 166, 249, 306, 498, 747, 823, 1411, 1494, 1646, 2469, 2822, 4233, 4938, 7407, 8466, 12699, 13991, 14814, 25398, 27982, 41973, 68309, 83946, 125919, 136618, 204927, 251838, 409854, 614781, 1161253, 1229562, 2322506, 3483759, 6967518, 10451277, 20902554]

約数ペア:

[(1, 20902554), (2, 10451277), (3, 6967518), (6, 3483759), (9, 2322506), (17, 1229562), (18, 1161253), (34, 614781), (51, 409854), (83, 251838), (102, 204927), (153, 136618), (166, 125919), (249, 83946), (306, 68309), (498, 41973), (747, 27982), (823, 25398), (1411, 14814), (1494, 13991), (1646, 12699), (2469, 8466), (2822, 7407), (4233, 4938)]