20660072

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2389}}^1$

素因数の和:2465

約数の個数: 32

約数和(自身を含む): 41299200

約数和(自身を除く): 20639128

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 184, 188, 376, 1081, 2162, 2389, 4324, 4778, 8648, 9556, 19112, 54947, 109894, 112283, 219788, 224566, 439576, 449132, 898264, 2582509, 5165018, 10330036, 20660072]

約数ペア:

[(1, 20660072), (2, 10330036), (4, 5165018), (8, 2582509), (23, 898264), (46, 449132), (47, 439576), (92, 224566), (94, 219788), (184, 112283), (188, 109894), (376, 54947), (1081, 19112), (2162, 9556), (2389, 8648), (4324, 4778)]