20996875816

素因数分解:

$2^3\times 7^1\times {\mathrm{374944211}}^1$

素因数の和:374944224

約数の個数: 16

約数和(自身を含む): 44993305440

約数和(自身を除く): 23996429624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 374944211, 749888422, 1499776844, 2624609477, 2999553688, 5249218954, 10498437908, 20996875816]

約数ペア:

[(1, 20996875816), (2, 10498437908), (4, 5249218954), (7, 2999553688), (8, 2624609477), (14, 1499776844), (28, 749888422), (56, 374944211)]