20275280493

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{106993}}^1$

素因数の和:107165

約数の個数: 32

約数和(自身を含む): 30054186624

約数和(自身を除く): 9778906131

約数列:

[1, 3, 13, 39, 43, 113, 129, 339, 559, 1469, 1677, 4407, 4859, 14577, 63167, 106993, 189501, 320979, 1390909, 4172727, 4600699, 12090209, 13802097, 36270627, 59809087, 157172717, 179427261, 471518151, 519878987, 1559636961, 6758426831, 20275280493]

約数ペア:

[(1, 20275280493), (3, 6758426831), (13, 1559636961), (39, 519878987), (43, 471518151), (113, 179427261), (129, 157172717), (339, 59809087), (559, 36270627), (1469, 13802097), (1677, 12090209), (4407, 4600699), (4859, 4172727), (14577, 1390909), (63167, 320979), (106993, 189501)]