20579388

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 50512896

約数和(自身を除く): 29933508

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 173, 276, 346, 431, 519, 692, 862, 1038, 1293, 1724, 2076, 2586, 3979, 5172, 7958, 9913, 11937, 15916, 19826, 23874, 29739, 39652, 47748, 59478, 74563, 118956, 149126, 223689, 298252, 447378, 894756, 1714949, 3429898, 5144847, 6859796, 10289694, 20579388]

約数ペア:

[(1, 20579388), (2, 10289694), (3, 6859796), (4, 5144847), (6, 3429898), (12, 1714949), (23, 894756), (46, 447378), (69, 298252), (92, 223689), (138, 149126), (173, 118956), (276, 74563), (346, 59478), (431, 47748), (519, 39652), (692, 29739), (862, 23874), (1038, 19826), (1293, 15916), (1724, 11937), (2076, 9913), (2586, 7958), (3979, 5172)]