20283884

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4691}}^1$

素因数の和:4765

約数の個数: 24

約数和(自身を含む): 37836288

約数和(自身を除く): 17552404

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 4691, 9382, 18764, 107893, 215786, 220477, 431572, 440954, 881908, 5070971, 10141942, 20283884]

約数ペア:

[(1, 20283884), (2, 10141942), (4, 5070971), (23, 881908), (46, 440954), (47, 431572), (92, 220477), (94, 215786), (188, 107893), (1081, 18764), (2162, 9382), (4324, 4691)]