20107800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11171}}^1$

素因数の和:11193

約数の個数: 72

約数和(自身を含む): 67534740

約数和(自身を除く): 47426940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11171, 22342, 33513, 44684, 55855, 67026, 89368, 100539, 111710, 134052, 167565, 201078, 223420, 268104, 279275, 335130, 402156, 446840, 502695, 558550, 670260, 804312, 837825, 1005390, 1117100, 1340520, 1675650, 2010780, 2234200, 2513475, 3351300, 4021560, 5026950, 6702600, 10053900, 20107800]

約数ペア:

[(1, 20107800), (2, 10053900), (3, 6702600), (4, 5026950), (5, 4021560), (6, 3351300), (8, 2513475), (9, 2234200), (10, 2010780), (12, 1675650), (15, 1340520), (18, 1117100), (20, 1005390), (24, 837825), (25, 804312), (30, 670260), (36, 558550), (40, 502695), (45, 446840), (50, 402156), (60, 335130), (72, 279275), (75, 268104), (90, 223420), (100, 201078), (120, 167565), (150, 134052), (180, 111710), (200, 100539), (225, 89368), (300, 67026), (360, 55855), (450, 44684), (600, 33513), (900, 22342), (1800, 11171)]