20189099470

素因数分解:

$2^1\times 5^1\times {\mathrm{25951}}^1\times {\mathrm{77797}}^1$

素因数の和:103755

約数の個数: 16

約数和(自身を含む): 36342246528

約数和(自身を除く): 16153147058

約数列:

[1, 2, 5, 10, 25951, 51902, 77797, 129755, 155594, 259510, 388985, 777970, 2018909947, 4037819894, 10094549735, 20189099470]

約数ペア:

[(1, 20189099470), (2, 10094549735), (5, 4037819894), (10, 2018909947), (25951, 777970), (51902, 388985), (77797, 259510), (129755, 155594)]