20401260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30911}}^1$

素因数の和:30934

約数の個数: 48

約数和(自身を含む): 62318592

約数和(自身を除く): 41917332

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 30911, 61822, 92733, 123644, 154555, 185466, 309110, 340021, 370932, 463665, 618220, 680042, 927330, 1020063, 1360084, 1700105, 1854660, 2040126, 3400210, 4080252, 5100315, 6800420, 10200630, 20401260]

約数ペア:

[(1, 20401260), (2, 10200630), (3, 6800420), (4, 5100315), (5, 4080252), (6, 3400210), (10, 2040126), (11, 1854660), (12, 1700105), (15, 1360084), (20, 1020063), (22, 927330), (30, 680042), (33, 618220), (44, 463665), (55, 370932), (60, 340021), (66, 309110), (110, 185466), (132, 154555), (165, 123644), (220, 92733), (330, 61822), (660, 30911)]