20853600

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{8689}}^1$

素因数の和:8712

約数の個数: 72

約数和(自身を含む): 67886280

約数和(自身を除く): 47032680

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, 150, 160, 200, 240, 300, 400, 480, 600, 800, 1200, 2400, 8689, 17378, 26067, 34756, 43445, 52134, 69512, 86890, 104268, 130335, 139024, 173780, 208536, 217225, 260670, 278048, 347560, 417072, 434450, 521340, 651675, 695120, 834144, 868900, 1042680, 1303350, 1390240, 1737800, 2085360, 2606700, 3475600, 4170720, 5213400, 6951200, 10426800, 20853600]

約数ペア:

[(1, 20853600), (2, 10426800), (3, 6951200), (4, 5213400), (5, 4170720), (6, 3475600), (8, 2606700), (10, 2085360), (12, 1737800), (15, 1390240), (16, 1303350), (20, 1042680), (24, 868900), (25, 834144), (30, 695120), (32, 651675), (40, 521340), (48, 434450), (50, 417072), (60, 347560), (75, 278048), (80, 260670), (96, 217225), (100, 208536), (120, 173780), (150, 139024), (160, 130335), (200, 104268), (240, 86890), (300, 69512), (400, 52134), (480, 43445), (600, 34756), (800, 26067), (1200, 17378), (2400, 8689)]