20347626

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{739}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 44009280

約数和(自身を除く): 23661654

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 353, 706, 739, 1059, 1478, 2118, 2217, 4434, 4589, 9178, 9607, 13767, 19214, 27534, 28821, 57642, 260867, 521734, 782601, 1565202, 3391271, 6782542, 10173813, 20347626]

約数ペア:

[(1, 20347626), (2, 10173813), (3, 6782542), (6, 3391271), (13, 1565202), (26, 782601), (39, 521734), (78, 260867), (353, 57642), (706, 28821), (739, 27534), (1059, 19214), (1478, 13767), (2118, 9607), (2217, 9178), (4434, 4589)]