20004167525

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{1279}}^1\times {\mathrm{15259}}^1$

素因数の和:16589

約数の個数: 24

約数和(自身を含む): 25431705600

約数和(自身を除く): 5427538075

約数列:

[1, 5, 25, 41, 205, 1025, 1279, 6395, 15259, 31975, 52439, 76295, 262195, 381475, 625619, 1310975, 3128095, 15640475, 19516261, 97581305, 487906525, 800166701, 4000833505, 20004167525]

約数ペア:

[(1, 20004167525), (5, 4000833505), (25, 800166701), (41, 487906525), (205, 97581305), (1025, 19516261), (1279, 15640475), (6395, 3128095), (15259, 1310975), (31975, 625619), (52439, 381475), (76295, 262195)]