20172916944

素因数分解:

$2^4\times 3^3\times {\mathrm{73}}^1\times {\mathrm{639679}}^1$

素因数の和:639769

約数の個数: 80

約数和(自身を含む): 58697036800

約数和(自身を除く): 38524119856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 73, 108, 144, 146, 216, 219, 292, 432, 438, 584, 657, 876, 1168, 1314, 1752, 1971, 2628, 3504, 3942, 5256, 7884, 10512, 15768, 31536, 639679, 1279358, 1919037, 2558716, 3838074, 5117432, 5757111, 7676148, 10234864, 11514222, 15352296, 17271333, 23028444, 30704592, 34542666, 46056888, 46696567, 69085332, 92113776, 93393134, 138170664, 140089701, 186786268, 276341328, 280179402, 373572536, 420269103, 560358804, 747145072, 840538206, 1120717608, 1260807309, 1681076412, 2241435216, 2521614618, 3362152824, 5043229236, 6724305648, 10086458472, 20172916944]

約数ペア:

[(1, 20172916944), (2, 10086458472), (3, 6724305648), (4, 5043229236), (6, 3362152824), (8, 2521614618), (9, 2241435216), (12, 1681076412), (16, 1260807309), (18, 1120717608), (24, 840538206), (27, 747145072), (36, 560358804), (48, 420269103), (54, 373572536), (72, 280179402), (73, 276341328), (108, 186786268), (144, 140089701), (146, 138170664), (216, 93393134), (219, 92113776), (292, 69085332), (432, 46696567), (438, 46056888), (584, 34542666), (657, 30704592), (876, 23028444), (1168, 17271333), (1314, 15352296), (1752, 11514222), (1971, 10234864), (2628, 7676148), (3504, 5757111), (3942, 5117432), (5256, 3838074), (7884, 2558716), (10512, 1919037), (15768, 1279358), (31536, 639679)]