20573178

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3467}}^1$

素因数の和:3538

約数の個数: 32

約数和(自身を含む): 43946496

約数和(自身を除く): 23373318

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 129, 138, 258, 989, 1978, 2967, 3467, 5934, 6934, 10401, 20802, 79741, 149081, 159482, 239223, 298162, 447243, 478446, 894486, 3428863, 6857726, 10286589, 20573178]

約数ペア:

[(1, 20573178), (2, 10286589), (3, 6857726), (6, 3428863), (23, 894486), (43, 478446), (46, 447243), (69, 298162), (86, 239223), (129, 159482), (138, 149081), (258, 79741), (989, 20802), (1978, 10401), (2967, 6934), (3467, 5934)]