20019300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9533}}^1$

素因数の和:9557

約数の個数: 72

約数和(自身を含む): 66204096

約数和(自身を除く): 46184796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9533, 19066, 28599, 38132, 47665, 57198, 66731, 95330, 114396, 133462, 142995, 190660, 200193, 238325, 266924, 285990, 333655, 400386, 476650, 571980, 667310, 714975, 800772, 953300, 1000965, 1334620, 1429950, 1668275, 2001930, 2859900, 3336550, 4003860, 5004825, 6673100, 10009650, 20019300]

約数ペア:

[(1, 20019300), (2, 10009650), (3, 6673100), (4, 5004825), (5, 4003860), (6, 3336550), (7, 2859900), (10, 2001930), (12, 1668275), (14, 1429950), (15, 1334620), (20, 1000965), (21, 953300), (25, 800772), (28, 714975), (30, 667310), (35, 571980), (42, 476650), (50, 400386), (60, 333655), (70, 285990), (75, 266924), (84, 238325), (100, 200193), (105, 190660), (140, 142995), (150, 133462), (175, 114396), (210, 95330), (300, 66731), (350, 57198), (420, 47665), (525, 38132), (700, 28599), (1050, 19066), (2100, 9533)]