20348272

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1873}}^1$

素因数の和:1985

約数の個数: 40

約数和(自身を含む): 45545696

約数和(自身を除く): 25197424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 1873, 2716, 3746, 5432, 7492, 10864, 13111, 14984, 26222, 29968, 52444, 104888, 181681, 209776, 363362, 726724, 1271767, 1453448, 2543534, 2906896, 5087068, 10174136, 20348272]

約数ペア:

[(1, 20348272), (2, 10174136), (4, 5087068), (7, 2906896), (8, 2543534), (14, 1453448), (16, 1271767), (28, 726724), (56, 363362), (97, 209776), (112, 181681), (194, 104888), (388, 52444), (679, 29968), (776, 26222), (1358, 14984), (1552, 13111), (1873, 10864), (2716, 7492), (3746, 5432)]