20742246

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{164621}}^1$

素因数の和:164636

約数の個数: 24

約数和(自身を含む): 51362064

約数和(自身を除く): 30619818

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 164621, 329242, 493863, 987726, 1152347, 1481589, 2304694, 2963178, 3457041, 6914082, 10371123, 20742246]

約数ペア:

[(1, 20742246), (2, 10371123), (3, 6914082), (6, 3457041), (7, 2963178), (9, 2304694), (14, 1481589), (18, 1152347), (21, 987726), (42, 493863), (63, 329242), (126, 164621)]