20545500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13697}}^1$

素因数の和:13719

約数の個数: 48

約数和(自身を含む): 59832864

約数和(自身を除く): 39287364

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, 750, 1500, 13697, 27394, 41091, 54788, 68485, 82182, 136970, 164364, 205455, 273940, 342425, 410910, 684850, 821820, 1027275, 1369700, 1712125, 2054550, 3424250, 4109100, 5136375, 6848500, 10272750, 20545500]

約数ペア:

[(1, 20545500), (2, 10272750), (3, 6848500), (4, 5136375), (5, 4109100), (6, 3424250), (10, 2054550), (12, 1712125), (15, 1369700), (20, 1027275), (25, 821820), (30, 684850), (50, 410910), (60, 342425), (75, 273940), (100, 205455), (125, 164364), (150, 136970), (250, 82182), (300, 68485), (375, 54788), (500, 41091), (750, 27394), (1500, 13697)]