20740804506

素因数分解:

$2^1\times 3^2\times {\mathrm{1601}}^1\times {\mathrm{719717}}^1$

素因数の和:721326

約数の個数: 24

約数和(自身を含む): 44966541204

約数和(自身を除く): 24225736698

約数列:

[1, 2, 3, 6, 9, 18, 1601, 3202, 4803, 9606, 14409, 28818, 719717, 1439434, 2159151, 4318302, 6477453, 12954906, 1152266917, 2304533834, 3456800751, 6913601502, 10370402253, 20740804506]

約数ペア:

[(1, 20740804506), (2, 10370402253), (3, 6913601502), (6, 3456800751), (9, 2304533834), (18, 1152266917), (1601, 12954906), (3202, 6477453), (4803, 4318302), (9606, 2159151), (14409, 1439434), (28818, 719717)]