20199762100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1697459}}^1$

素因数の和:1697497

約数の個数: 72

約数和(自身を含む): 53042230080

約数和(自身を除く): 32842467980

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 340, 350, 425, 476, 595, 700, 850, 1190, 1700, 2380, 2975, 5950, 11900, 1697459, 3394918, 6789836, 8487295, 11882213, 16974590, 23764426, 28856803, 33949180, 42436475, 47528852, 57713606, 59411065, 84872950, 115427212, 118822130, 144284015, 169745900, 201997621, 237644260, 288568030, 297055325, 403995242, 577136060, 594110650, 721420075, 807990484, 1009988105, 1188221300, 1442840150, 2019976210, 2885680300, 4039952420, 5049940525, 10099881050, 20199762100]

約数ペア:

[(1, 20199762100), (2, 10099881050), (4, 5049940525), (5, 4039952420), (7, 2885680300), (10, 2019976210), (14, 1442840150), (17, 1188221300), (20, 1009988105), (25, 807990484), (28, 721420075), (34, 594110650), (35, 577136060), (50, 403995242), (68, 297055325), (70, 288568030), (85, 237644260), (100, 201997621), (119, 169745900), (140, 144284015), (170, 118822130), (175, 115427212), (238, 84872950), (340, 59411065), (350, 57713606), (425, 47528852), (476, 42436475), (595, 33949180), (700, 28856803), (850, 23764426), (1190, 16974590), (1700, 11882213), (2380, 8487295), (2975, 6789836), (5950, 3394918), (11900, 1697459)]