20499681232

素因数分解:

$2^4\times {\mathrm{19427}}^1\times {\mathrm{65951}}^1$

素因数の和:85386

約数の個数: 20

約数和(自身を含む): 39720779136

約数和(自身を除く): 19221097904

約数列:

[1, 2, 4, 8, 16, 19427, 38854, 65951, 77708, 131902, 155416, 263804, 310832, 527608, 1055216, 1281230077, 2562460154, 5124920308, 10249840616, 20499681232]

約数ペア:

[(1, 20499681232), (2, 10249840616), (4, 5124920308), (8, 2562460154), (16, 1281230077), (19427, 1055216), (38854, 527608), (65951, 310832), (77708, 263804), (131902, 155416)]