20660420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{93911}}^1$

素因数の和:93931

約数の個数: 24

約数和(自身を含む): 47331648

約数和(自身を除く): 26671228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 93911, 187822, 375644, 469555, 939110, 1033021, 1878220, 2066042, 4132084, 5165105, 10330210, 20660420]

約数ペア:

[(1, 20660420), (2, 10330210), (4, 5165105), (5, 4132084), (10, 2066042), (11, 1878220), (20, 1033021), (22, 939110), (44, 469555), (55, 375644), (110, 187822), (220, 93911)]