20292558

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 48529152

約数和(自身を除く): 28236594

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 67, 78, 134, 143, 201, 286, 353, 402, 429, 706, 737, 858, 871, 1059, 1474, 1742, 2118, 2211, 2613, 3883, 4422, 4589, 5226, 7766, 9178, 9581, 11649, 13767, 19162, 23298, 23651, 27534, 28743, 47302, 50479, 57486, 70953, 100958, 141906, 151437, 260161, 302874, 307463, 520322, 614926, 780483, 922389, 1560966, 1844778, 3382093, 6764186, 10146279, 20292558]

約数ペア:

[(1, 20292558), (2, 10146279), (3, 6764186), (6, 3382093), (11, 1844778), (13, 1560966), (22, 922389), (26, 780483), (33, 614926), (39, 520322), (66, 307463), (67, 302874), (78, 260161), (134, 151437), (143, 141906), (201, 100958), (286, 70953), (353, 57486), (402, 50479), (429, 47302), (706, 28743), (737, 27534), (858, 23651), (871, 23298), (1059, 19162), (1474, 13767), (1742, 11649), (2118, 9581), (2211, 9178), (2613, 7766), (3883, 5226), (4422, 4589)]