20147894097356

素因数分解:

$2^2\times {\mathrm{1277}}^1\times {\mathrm{3944380207}}^1$

素因数の和:3944381488

約数の個数: 12

約数和(自身を含む): 35286425340768

約数和(自身を除く): 15138531243412

約数列:

[1, 2, 4, 1277, 2554, 5108, 3944380207, 7888760414, 15777520828, 5036973524339, 10073947048678, 20147894097356]

約数ペア:

[(1, 20147894097356), (2, 10073947048678), (4, 5036973524339), (1277, 15777520828), (2554, 7888760414), (5108, 3944380207)]