20517860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{93263}}^1$

素因数の和:93283

約数の個数: 24

約数和(自身を含む): 47005056

約数和(自身を除く): 26487196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 93263, 186526, 373052, 466315, 932630, 1025893, 1865260, 2051786, 4103572, 5129465, 10258930, 20517860]

約数ペア:

[(1, 20517860), (2, 10258930), (4, 5129465), (5, 4103572), (10, 2051786), (11, 1865260), (20, 1025893), (22, 932630), (44, 466315), (55, 373052), (110, 186526), (220, 93263)]