20954840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22777}}^1$

素因数の和:22811

約数の個数: 32

約数和(自身を含む): 49200480

約数和(自身を除く): 28245640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22777, 45554, 91108, 113885, 182216, 227770, 455540, 523871, 911080, 1047742, 2095484, 2619355, 4190968, 5238710, 10477420, 20954840]

約数ペア:

[(1, 20954840), (2, 10477420), (4, 5238710), (5, 4190968), (8, 2619355), (10, 2095484), (20, 1047742), (23, 911080), (40, 523871), (46, 455540), (92, 227770), (115, 182216), (184, 113885), (230, 91108), (460, 45554), (920, 22777)]