20441960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6637}}^1$

素因数の和:6666

約数の個数: 64

約数和(自身を含む): 57352320

約数和(自身を除く): 36910360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6637, 13274, 26548, 33185, 46459, 53096, 66370, 73007, 92918, 132740, 146014, 185836, 232295, 265480, 292028, 365035, 371672, 464590, 511049, 584056, 730070, 929180, 1022098, 1460140, 1858360, 2044196, 2555245, 2920280, 4088392, 5110490, 10220980, 20441960]

約数ペア:

[(1, 20441960), (2, 10220980), (4, 5110490), (5, 4088392), (7, 2920280), (8, 2555245), (10, 2044196), (11, 1858360), (14, 1460140), (20, 1022098), (22, 929180), (28, 730070), (35, 584056), (40, 511049), (44, 464590), (55, 371672), (56, 365035), (70, 292028), (77, 265480), (88, 232295), (110, 185836), (140, 146014), (154, 132740), (220, 92918), (280, 73007), (308, 66370), (385, 53096), (440, 46459), (616, 33185), (770, 26548), (1540, 13274), (3080, 6637)]