20231720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21991}}^1$

素因数の和:22025

約数の個数: 32

約数和(自身を含む): 47502720

約数和(自身を除く): 27271000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21991, 43982, 87964, 109955, 175928, 219910, 439820, 505793, 879640, 1011586, 2023172, 2528965, 4046344, 5057930, 10115860, 20231720]

約数ペア:

[(1, 20231720), (2, 10115860), (4, 5057930), (5, 4046344), (8, 2528965), (10, 2023172), (20, 1011586), (23, 879640), (40, 505793), (46, 439820), (92, 219910), (115, 175928), (184, 109955), (230, 87964), (460, 43982), (920, 21991)]