20409360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{307}}^1$

素因数の和:600

約数の個数: 80

約数和(自身を含む): 63704256

約数和(自身を除く): 43294896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 277, 307, 554, 614, 831, 921, 1108, 1228, 1385, 1535, 1662, 1842, 2216, 2456, 2770, 3070, 3324, 3684, 4155, 4432, 4605, 4912, 5540, 6140, 6648, 7368, 8310, 9210, 11080, 12280, 13296, 14736, 16620, 18420, 22160, 24560, 33240, 36840, 66480, 73680, 85039, 170078, 255117, 340156, 425195, 510234, 680312, 850390, 1020468, 1275585, 1360624, 1700780, 2040936, 2551170, 3401560, 4081872, 5102340, 6803120, 10204680, 20409360]

約数ペア:

[(1, 20409360), (2, 10204680), (3, 6803120), (4, 5102340), (5, 4081872), (6, 3401560), (8, 2551170), (10, 2040936), (12, 1700780), (15, 1360624), (16, 1275585), (20, 1020468), (24, 850390), (30, 680312), (40, 510234), (48, 425195), (60, 340156), (80, 255117), (120, 170078), (240, 85039), (277, 73680), (307, 66480), (554, 36840), (614, 33240), (831, 24560), (921, 22160), (1108, 18420), (1228, 16620), (1385, 14736), (1535, 13296), (1662, 12280), (1842, 11080), (2216, 9210), (2456, 8310), (2770, 7368), (3070, 6648), (3324, 6140), (3684, 5540), (4155, 4912), (4432, 4605)]