20192671120

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1031}}^1\times {\mathrm{1787}}^1$

素因数の和:2968

約数の個数: 80

約数和(自身を含む): 47363004288

約数和(自身を除く): 27170333168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1031, 1096, 1370, 1787, 2062, 2192, 2740, 3574, 4124, 5155, 5480, 7148, 8248, 8935, 10310, 10960, 14296, 16496, 17870, 20620, 28592, 35740, 41240, 71480, 82480, 141247, 142960, 244819, 282494, 489638, 564988, 706235, 979276, 1129976, 1224095, 1412470, 1842397, 1958552, 2259952, 2448190, 2824940, 3684794, 3917104, 4896380, 5649880, 7369588, 9211985, 9792760, 11299760, 14739176, 18423970, 19585520, 29478352, 36847940, 73695880, 147391760, 252408389, 504816778, 1009633556, 1262041945, 2019267112, 2524083890, 4038534224, 5048167780, 10096335560, 20192671120]

約数ペア:

[(1, 20192671120), (2, 10096335560), (4, 5048167780), (5, 4038534224), (8, 2524083890), (10, 2019267112), (16, 1262041945), (20, 1009633556), (40, 504816778), (80, 252408389), (137, 147391760), (274, 73695880), (548, 36847940), (685, 29478352), (1031, 19585520), (1096, 18423970), (1370, 14739176), (1787, 11299760), (2062, 9792760), (2192, 9211985), (2740, 7369588), (3574, 5649880), (4124, 4896380), (5155, 3917104), (5480, 3684794), (7148, 2824940), (8248, 2448190), (8935, 2259952), (10310, 1958552), (10960, 1842397), (14296, 1412470), (16496, 1224095), (17870, 1129976), (20620, 979276), (28592, 706235), (35740, 564988), (41240, 489638), (71480, 282494), (82480, 244819), (141247, 142960)]