20237240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21997}}^1$

素因数の和:22031

約数の個数: 32

約数和(自身を含む): 47515680

約数和(自身を除く): 27278440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21997, 43994, 87988, 109985, 175976, 219970, 439940, 505931, 879880, 1011862, 2023724, 2529655, 4047448, 5059310, 10118620, 20237240]

約数ペア:

[(1, 20237240), (2, 10118620), (4, 5059310), (5, 4047448), (8, 2529655), (10, 2023724), (20, 1011862), (23, 879880), (40, 505931), (46, 439940), (92, 219970), (115, 175976), (184, 109985), (230, 87988), (460, 43994), (920, 21997)]