20247750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{8999}}^1$

素因数の和:9022

約数の個数: 48

約数和(自身を含む): 54756000

約数和(自身を除く): 34508250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 750, 1125, 2250, 8999, 17998, 26997, 44995, 53994, 80991, 89990, 134985, 161982, 224975, 269970, 404955, 449950, 674925, 809910, 1124875, 1349850, 2024775, 2249750, 3374625, 4049550, 6749250, 10123875, 20247750]

約数ペア:

[(1, 20247750), (2, 10123875), (3, 6749250), (5, 4049550), (6, 3374625), (9, 2249750), (10, 2024775), (15, 1349850), (18, 1124875), (25, 809910), (30, 674925), (45, 449950), (50, 404955), (75, 269970), (90, 224975), (125, 161982), (150, 134985), (225, 89990), (250, 80991), (375, 53994), (450, 44995), (750, 26997), (1125, 17998), (2250, 8999)]