20341433008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{220757}}^1$

素因数の和:221221

約数の個数: 40

約数和(自身を含む): 42539183568

約数和(自身を除く): 22197750560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 443, 886, 1772, 3544, 5759, 7088, 11518, 23036, 46072, 92144, 220757, 441514, 883028, 1766056, 2869841, 3532112, 5739682, 11479364, 22958728, 45917456, 97795351, 195590702, 391181404, 782362808, 1271339563, 1564725616, 2542679126, 5085358252, 10170716504, 20341433008]

約数ペア:

[(1, 20341433008), (2, 10170716504), (4, 5085358252), (8, 2542679126), (13, 1564725616), (16, 1271339563), (26, 782362808), (52, 391181404), (104, 195590702), (208, 97795351), (443, 45917456), (886, 22958728), (1772, 11479364), (3544, 5739682), (5759, 3532112), (7088, 2869841), (11518, 1766056), (23036, 883028), (46072, 441514), (92144, 220757)]