20163225904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3901553}}^1$

素因数の和:3901597

約数の個数: 40

約数和(自身を含む): 43541342640

約数和(自身を除く): 23378116736

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 3901553, 7803106, 15606212, 31212424, 62424848, 66326401, 74129507, 132652802, 148259014, 265305604, 296518028, 530611208, 593036056, 1061222416, 1186072112, 1260201619, 2520403238, 5040806476, 10081612952, 20163225904]

約数ペア:

[(1, 20163225904), (2, 10081612952), (4, 5040806476), (8, 2520403238), (16, 1260201619), (17, 1186072112), (19, 1061222416), (34, 593036056), (38, 530611208), (68, 296518028), (76, 265305604), (136, 148259014), (152, 132652802), (272, 74129507), (304, 66326401), (323, 62424848), (646, 31212424), (1292, 15606212), (2584, 7803106), (5168, 3901553)]