20051580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1867}}^1$

素因数の和:2058

約数の個数: 48

約数和(自身を含む): 56488320

約数和(自身を除く): 36436740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 179, 358, 537, 716, 895, 1074, 1790, 1867, 2148, 2685, 3580, 3734, 5370, 5601, 7468, 9335, 10740, 11202, 18670, 22404, 28005, 37340, 56010, 112020, 334193, 668386, 1002579, 1336772, 1670965, 2005158, 3341930, 4010316, 5012895, 6683860, 10025790, 20051580]

約数ペア:

[(1, 20051580), (2, 10025790), (3, 6683860), (4, 5012895), (5, 4010316), (6, 3341930), (10, 2005158), (12, 1670965), (15, 1336772), (20, 1002579), (30, 668386), (60, 334193), (179, 112020), (358, 56010), (537, 37340), (716, 28005), (895, 22404), (1074, 18670), (1790, 11202), (1867, 10740), (2148, 9335), (2685, 7468), (3580, 5601), (3734, 5370)]