20409869973

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{727}}^1\times {\mathrm{1621}}^1$

素因数の和:2625

約数の個数: 32

約数和(自身を含む): 28566300672

約数和(自身を除く): 8156430699

約数列:

[1, 3, 23, 69, 251, 727, 753, 1621, 2181, 4863, 5773, 16721, 17319, 37283, 50163, 111849, 182477, 406871, 547431, 1178467, 1220613, 3535401, 4196971, 9358033, 12590913, 27104741, 28074099, 81314223, 295795217, 887385651, 6803289991, 20409869973]

約数ペア:

[(1, 20409869973), (3, 6803289991), (23, 887385651), (69, 295795217), (251, 81314223), (727, 28074099), (753, 27104741), (1621, 12590913), (2181, 9358033), (4863, 4196971), (5773, 3535401), (16721, 1220613), (17319, 1178467), (37283, 547431), (50163, 406871), (111849, 182477)]