20696280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15679}}^1$

素因数の和:15704

約数の個数: 64

約数和(自身を含む): 67737600

約数和(自身を除く): 47041320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15679, 31358, 47037, 62716, 78395, 94074, 125432, 156790, 172469, 188148, 235185, 313580, 344938, 376296, 470370, 517407, 627160, 689876, 862345, 940740, 1034814, 1379752, 1724690, 1881480, 2069628, 2587035, 3449380, 4139256, 5174070, 6898760, 10348140, 20696280]

約数ペア:

[(1, 20696280), (2, 10348140), (3, 6898760), (4, 5174070), (5, 4139256), (6, 3449380), (8, 2587035), (10, 2069628), (11, 1881480), (12, 1724690), (15, 1379752), (20, 1034814), (22, 940740), (24, 862345), (30, 689876), (33, 627160), (40, 517407), (44, 470370), (55, 376296), (60, 344938), (66, 313580), (88, 235185), (110, 188148), (120, 172469), (132, 156790), (165, 125432), (220, 94074), (264, 78395), (330, 62716), (440, 47037), (660, 31358), (1320, 15679)]