20097900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:320

約数の個数: 108

約数和(自身を含む): 63844872

約数和(自身を除く): 43746972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 137, 150, 163, 180, 225, 274, 300, 326, 411, 450, 489, 548, 652, 685, 815, 822, 900, 978, 1233, 1370, 1467, 1630, 1644, 1956, 2055, 2445, 2466, 2740, 2934, 3260, 3425, 4075, 4110, 4890, 4932, 5868, 6165, 6850, 7335, 8150, 8220, 9780, 10275, 12225, 12330, 13700, 14670, 16300, 20550, 22331, 24450, 24660, 29340, 30825, 36675, 41100, 44662, 48900, 61650, 66993, 73350, 89324, 111655, 123300, 133986, 146700, 200979, 223310, 267972, 334965, 401958, 446620, 558275, 669930, 803916, 1004895, 1116550, 1339860, 1674825, 2009790, 2233100, 3349650, 4019580, 5024475, 6699300, 10048950, 20097900]

約数ペア:

[(1, 20097900), (2, 10048950), (3, 6699300), (4, 5024475), (5, 4019580), (6, 3349650), (9, 2233100), (10, 2009790), (12, 1674825), (15, 1339860), (18, 1116550), (20, 1004895), (25, 803916), (30, 669930), (36, 558275), (45, 446620), (50, 401958), (60, 334965), (75, 267972), (90, 223310), (100, 200979), (137, 146700), (150, 133986), (163, 123300), (180, 111655), (225, 89324), (274, 73350), (300, 66993), (326, 61650), (411, 48900), (450, 44662), (489, 41100), (548, 36675), (652, 30825), (685, 29340), (815, 24660), (822, 24450), (900, 22331), (978, 20550), (1233, 16300), (1370, 14670), (1467, 13700), (1630, 12330), (1644, 12225), (1956, 10275), (2055, 9780), (2445, 8220), (2466, 8150), (2740, 7335), (2934, 6850), (3260, 6165), (3425, 5868), (4075, 4932), (4110, 4890)]