20766493660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{882179}}^1$

素因数の和:882306

約数の個数: 48

約数和(自身を含む): 48018821760

約数和(自身を除く): 27252328100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 2140, 2354, 4708, 5885, 11770, 23540, 882179, 1764358, 3528716, 4410895, 8821790, 9703969, 17643580, 19407938, 38815876, 48519845, 94393153, 97039690, 188786306, 194079380, 377572612, 471965765, 943931530, 1038324683, 1887863060, 2076649366, 4153298732, 5191623415, 10383246830, 20766493660]

約数ペア:

[(1, 20766493660), (2, 10383246830), (4, 5191623415), (5, 4153298732), (10, 2076649366), (11, 1887863060), (20, 1038324683), (22, 943931530), (44, 471965765), (55, 377572612), (107, 194079380), (110, 188786306), (214, 97039690), (220, 94393153), (428, 48519845), (535, 38815876), (1070, 19407938), (1177, 17643580), (2140, 9703969), (2354, 8821790), (4708, 4410895), (5885, 3528716), (11770, 1764358), (23540, 882179)]