20691168

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{9371}}^1$

素因数の和:9407

約数の個数: 48

約数和(自身を含む): 56681856

約数和(自身を除く): 35990688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 552, 736, 1104, 2208, 9371, 18742, 28113, 37484, 56226, 74968, 112452, 149936, 215533, 224904, 299872, 431066, 449808, 646599, 862132, 899616, 1293198, 1724264, 2586396, 3448528, 5172792, 6897056, 10345584, 20691168]

約数ペア:

[(1, 20691168), (2, 10345584), (3, 6897056), (4, 5172792), (6, 3448528), (8, 2586396), (12, 1724264), (16, 1293198), (23, 899616), (24, 862132), (32, 646599), (46, 449808), (48, 431066), (69, 299872), (92, 224904), (96, 215533), (138, 149936), (184, 112452), (276, 74968), (368, 56226), (552, 37484), (736, 28113), (1104, 18742), (2208, 9371)]