20178747982

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{15881}}^1\times {\mathrm{11987}}^1$

素因数の和:27923

約数の個数: 16

約数和(自身を含む): 30843733392

約数和(自身を除く): 10664985410

約数列:

[1, 2, 53, 106, 11987, 15881, 23974, 31762, 635311, 841693, 1270622, 1683386, 190365547, 380731094, 10089373991, 20178747982]

約数ペア:

[(1, 20178747982), (2, 10089373991), (53, 380731094), (106, 190365547), (11987, 1683386), (15881, 1270622), (23974, 841693), (31762, 635311)]