20512991536

素因数分解:

$2^4\times {\mathrm{3739}}^1\times {\mathrm{342889}}^1$

素因数の和:346636

約数の個数: 20

約数和(自身を含む): 39754666600

約数和(自身を除く): 19241675064

約数列:

[1, 2, 4, 8, 16, 3739, 7478, 14956, 29912, 59824, 342889, 685778, 1371556, 2743112, 5486224, 1282061971, 2564123942, 5128247884, 10256495768, 20512991536]

約数ペア:

[(1, 20512991536), (2, 10256495768), (4, 5128247884), (8, 2564123942), (16, 1282061971), (3739, 5486224), (7478, 2743112), (14956, 1371556), (29912, 685778), (59824, 342889)]