20249640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56249}}^1$

素因数の和:56266

約数の個数: 48

約数和(自身を含む): 65812500

約数和(自身を除く): 45562860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56249, 112498, 168747, 224996, 281245, 337494, 449992, 506241, 562490, 674988, 843735, 1012482, 1124980, 1349976, 1687470, 2024964, 2249960, 2531205, 3374940, 4049928, 5062410, 6749880, 10124820, 20249640]

約数ペア:

[(1, 20249640), (2, 10124820), (3, 6749880), (4, 5062410), (5, 4049928), (6, 3374940), (8, 2531205), (9, 2249960), (10, 2024964), (12, 1687470), (15, 1349976), (18, 1124980), (20, 1012482), (24, 843735), (30, 674988), (36, 562490), (40, 506241), (45, 449992), (60, 337494), (72, 281245), (90, 224996), (120, 168747), (180, 112498), (360, 56249)]