20964000

素因数分解:

$2^5\times 3^1\times 5^3\times {\mathrm{1747}}^1$

素因数の和:1775

約数の個数: 96

約数和(自身を含む): 68717376

約数和(自身を除く): 47753376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 750, 800, 1000, 1200, 1500, 1747, 2000, 2400, 3000, 3494, 4000, 5241, 6000, 6988, 8735, 10482, 12000, 13976, 17470, 20964, 26205, 27952, 34940, 41928, 43675, 52410, 55904, 69880, 83856, 87350, 104820, 131025, 139760, 167712, 174700, 209640, 218375, 262050, 279520, 349400, 419280, 436750, 524100, 655125, 698800, 838560, 873500, 1048200, 1310250, 1397600, 1747000, 2096400, 2620500, 3494000, 4192800, 5241000, 6988000, 10482000, 20964000]

約数ペア:

[(1, 20964000), (2, 10482000), (3, 6988000), (4, 5241000), (5, 4192800), (6, 3494000), (8, 2620500), (10, 2096400), (12, 1747000), (15, 1397600), (16, 1310250), (20, 1048200), (24, 873500), (25, 838560), (30, 698800), (32, 655125), (40, 524100), (48, 436750), (50, 419280), (60, 349400), (75, 279520), (80, 262050), (96, 218375), (100, 209640), (120, 174700), (125, 167712), (150, 139760), (160, 131025), (200, 104820), (240, 87350), (250, 83856), (300, 69880), (375, 55904), (400, 52410), (480, 43675), (500, 41928), (600, 34940), (750, 27952), (800, 26205), (1000, 20964), (1200, 17470), (1500, 13976), (1747, 12000), (2000, 10482), (2400, 8735), (3000, 6988), (3494, 6000), (4000, 5241)]