20013750

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{593}}^1$

素因数の和:624

約数の個数: 80

約数和(自身を含む): 55669680

約数和(自身を除く): 35655930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 125, 135, 150, 225, 250, 270, 375, 450, 593, 625, 675, 750, 1125, 1186, 1250, 1350, 1779, 1875, 2250, 2965, 3375, 3558, 3750, 5337, 5625, 5930, 6750, 8895, 10674, 11250, 14825, 16011, 16875, 17790, 26685, 29650, 32022, 33750, 44475, 53370, 74125, 80055, 88950, 133425, 148250, 160110, 222375, 266850, 370625, 400275, 444750, 667125, 741250, 800550, 1111875, 1334250, 2001375, 2223750, 3335625, 4002750, 6671250, 10006875, 20013750]

約数ペア:

[(1, 20013750), (2, 10006875), (3, 6671250), (5, 4002750), (6, 3335625), (9, 2223750), (10, 2001375), (15, 1334250), (18, 1111875), (25, 800550), (27, 741250), (30, 667125), (45, 444750), (50, 400275), (54, 370625), (75, 266850), (90, 222375), (125, 160110), (135, 148250), (150, 133425), (225, 88950), (250, 80055), (270, 74125), (375, 53370), (450, 44475), (593, 33750), (625, 32022), (675, 29650), (750, 26685), (1125, 17790), (1186, 16875), (1250, 16011), (1350, 14825), (1779, 11250), (1875, 10674), (2250, 8895), (2965, 6750), (3375, 5930), (3558, 5625), (3750, 5337)]