20085964420

素因数分解:

$2^2\times 5^1\times {\mathrm{5309}}^1\times {\mathrm{189169}}^1$

素因数の和:194487

約数の個数: 24

約数和(自身を含む): 42188693400

約数和(自身を除く): 22102728980

約数列:

[1, 2, 4, 5, 10, 20, 5309, 10618, 21236, 26545, 53090, 106180, 189169, 378338, 756676, 945845, 1891690, 3783380, 1004298221, 2008596442, 4017192884, 5021491105, 10042982210, 20085964420]

約数ペア:

[(1, 20085964420), (2, 10042982210), (4, 5021491105), (5, 4017192884), (10, 2008596442), (20, 1004298221), (5309, 3783380), (10618, 1891690), (21236, 945845), (26545, 756676), (53090, 378338), (106180, 189169)]