20713500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4603}}^1$

素因数の和:4628

約数の個数: 72

約数和(自身を含む): 65358384

約数和(自身を除く): 44644884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4603, 9206, 13809, 18412, 23015, 27618, 41427, 46030, 55236, 69045, 82854, 92060, 115075, 138090, 165708, 207135, 230150, 276180, 345225, 414270, 460300, 575375, 690450, 828540, 1035675, 1150750, 1380900, 1726125, 2071350, 2301500, 3452250, 4142700, 5178375, 6904500, 10356750, 20713500]

約数ペア:

[(1, 20713500), (2, 10356750), (3, 6904500), (4, 5178375), (5, 4142700), (6, 3452250), (9, 2301500), (10, 2071350), (12, 1726125), (15, 1380900), (18, 1150750), (20, 1035675), (25, 828540), (30, 690450), (36, 575375), (45, 460300), (50, 414270), (60, 345225), (75, 276180), (90, 230150), (100, 207135), (125, 165708), (150, 138090), (180, 115075), (225, 92060), (250, 82854), (300, 69045), (375, 55236), (450, 46030), (500, 41427), (750, 27618), (900, 23015), (1125, 18412), (1500, 13809), (2250, 9206), (4500, 4603)]