20429100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{22699}}^1$

素因数の和:22719

約数の個数: 54

約数和(自身を含む): 64036700

約数和(自身を除く): 43607600

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 22699, 45398, 68097, 90796, 113495, 136194, 204291, 226990, 272388, 340485, 408582, 453980, 567475, 680970, 817164, 1021455, 1134950, 1361940, 1702425, 2042910, 2269900, 3404850, 4085820, 5107275, 6809700, 10214550, 20429100]

約数ペア:

[(1, 20429100), (2, 10214550), (3, 6809700), (4, 5107275), (5, 4085820), (6, 3404850), (9, 2269900), (10, 2042910), (12, 1702425), (15, 1361940), (18, 1134950), (20, 1021455), (25, 817164), (30, 680970), (36, 567475), (45, 453980), (50, 408582), (60, 340485), (75, 272388), (90, 226990), (100, 204291), (150, 136194), (180, 113495), (225, 90796), (300, 68097), (450, 45398), (900, 22699)]