20736647724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{956311}}^1$

素因数の和:956470

約数の個数: 48

約数和(自身を含む): 52482402560

約数和(自身を除く): 31745754836

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 139, 156, 278, 417, 556, 834, 1668, 1807, 3614, 5421, 7228, 10842, 21684, 956311, 1912622, 2868933, 3825244, 5737866, 11475732, 12432043, 24864086, 37296129, 49728172, 74592258, 132927229, 149184516, 265854458, 398781687, 531708916, 797563374, 1595126748, 1728053977, 3456107954, 5184161931, 6912215908, 10368323862, 20736647724]

約数ペア:

[(1, 20736647724), (2, 10368323862), (3, 6912215908), (4, 5184161931), (6, 3456107954), (12, 1728053977), (13, 1595126748), (26, 797563374), (39, 531708916), (52, 398781687), (78, 265854458), (139, 149184516), (156, 132927229), (278, 74592258), (417, 49728172), (556, 37296129), (834, 24864086), (1668, 12432043), (1807, 11475732), (3614, 5737866), (5421, 3825244), (7228, 2868933), (10842, 1912622), (21684, 956311)]