20550872036

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1\times {\mathrm{9901}}^1$

素因数の和:10836

約数の個数: 48

約数和(自身を含む): 39126366720

約数和(自身を除く): 18575494684

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 881, 1178, 1762, 2356, 3524, 9901, 16739, 19802, 27311, 33478, 39604, 54622, 66956, 109244, 188119, 306931, 376238, 518909, 613862, 752476, 1037818, 1227724, 2075636, 5831689, 8722781, 11663378, 17445562, 23326756, 34891124, 165732839, 270406211, 331465678, 540812422, 662931356, 1081624844, 5137718009, 10275436018, 20550872036]

約数ペア:

[(1, 20550872036), (2, 10275436018), (4, 5137718009), (19, 1081624844), (31, 662931356), (38, 540812422), (62, 331465678), (76, 270406211), (124, 165732839), (589, 34891124), (881, 23326756), (1178, 17445562), (1762, 11663378), (2356, 8722781), (3524, 5831689), (9901, 2075636), (16739, 1227724), (19802, 1037818), (27311, 752476), (33478, 613862), (39604, 518909), (54622, 376238), (66956, 306931), (109244, 188119)]