20161428860

素因数分解:

$2^2\times 5^1\times {\mathrm{35597}}^1\times {\mathrm{28319}}^1$

素因数の和:63925

約数の個数: 24

約数和(自身を含む): 42341685120

約数和(自身を除く): 22180256260

約数列:

[1, 2, 4, 5, 10, 20, 28319, 35597, 56638, 71194, 113276, 141595, 142388, 177985, 283190, 355970, 566380, 711940, 1008071443, 2016142886, 4032285772, 5040357215, 10080714430, 20161428860]

約数ペア:

[(1, 20161428860), (2, 10080714430), (4, 5040357215), (5, 4032285772), (10, 2016142886), (20, 1008071443), (28319, 711940), (35597, 566380), (56638, 355970), (71194, 283190), (113276, 177985), (141595, 142388)]