20647500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{2753}}^1$

素因数の和:2780

約数の個数: 60

約数和(自身を含む): 60224472

約数和(自身を除く): 39576972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 2753, 3750, 5506, 7500, 8259, 11012, 13765, 16518, 27530, 33036, 41295, 55060, 68825, 82590, 137650, 165180, 206475, 275300, 344125, 412950, 688250, 825900, 1032375, 1376500, 1720625, 2064750, 3441250, 4129500, 5161875, 6882500, 10323750, 20647500]

約数ペア:

[(1, 20647500), (2, 10323750), (3, 6882500), (4, 5161875), (5, 4129500), (6, 3441250), (10, 2064750), (12, 1720625), (15, 1376500), (20, 1032375), (25, 825900), (30, 688250), (50, 412950), (60, 344125), (75, 275300), (100, 206475), (125, 165180), (150, 137650), (250, 82590), (300, 68825), (375, 55060), (500, 41295), (625, 33036), (750, 27530), (1250, 16518), (1500, 13765), (1875, 11012), (2500, 8259), (2753, 7500), (3750, 5506)]