20557200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:521

約数の個数: 120

約数和(自身を含む): 67777408

約数和(自身を除く): 47220208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 37, 40, 48, 50, 60, 74, 75, 80, 100, 111, 120, 148, 150, 185, 200, 222, 240, 296, 300, 370, 400, 444, 463, 555, 592, 600, 740, 888, 925, 926, 1110, 1200, 1389, 1480, 1776, 1850, 1852, 2220, 2315, 2775, 2778, 2960, 3700, 3704, 4440, 4630, 5550, 5556, 6945, 7400, 7408, 8880, 9260, 11100, 11112, 11575, 13890, 14800, 17131, 18520, 22200, 22224, 23150, 27780, 34262, 34725, 37040, 44400, 46300, 51393, 55560, 68524, 69450, 85655, 92600, 102786, 111120, 137048, 138900, 171310, 185200, 205572, 256965, 274096, 277800, 342620, 411144, 428275, 513930, 555600, 685240, 822288, 856550, 1027860, 1284825, 1370480, 1713100, 2055720, 2569650, 3426200, 4111440, 5139300, 6852400, 10278600, 20557200]

約数ペア:

[(1, 20557200), (2, 10278600), (3, 6852400), (4, 5139300), (5, 4111440), (6, 3426200), (8, 2569650), (10, 2055720), (12, 1713100), (15, 1370480), (16, 1284825), (20, 1027860), (24, 856550), (25, 822288), (30, 685240), (37, 555600), (40, 513930), (48, 428275), (50, 411144), (60, 342620), (74, 277800), (75, 274096), (80, 256965), (100, 205572), (111, 185200), (120, 171310), (148, 138900), (150, 137048), (185, 111120), (200, 102786), (222, 92600), (240, 85655), (296, 69450), (300, 68524), (370, 55560), (400, 51393), (444, 46300), (463, 44400), (555, 37040), (592, 34725), (600, 34262), (740, 27780), (888, 23150), (925, 22224), (926, 22200), (1110, 18520), (1200, 17131), (1389, 14800), (1480, 13890), (1776, 11575), (1850, 11112), (1852, 11100), (2220, 9260), (2315, 8880), (2775, 7408), (2778, 7400), (2960, 6945), (3700, 5556), (3704, 5550), (4440, 4630)]