20572216

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5483}}^1$

素因数の和:5563

約数の個数: 32

約数和(自身を含む): 44749440

約数和(自身を除く): 24177224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 5483, 10966, 21932, 38381, 43864, 76762, 153524, 307048, 367361, 734722, 1469444, 2571527, 2938888, 5143054, 10286108, 20572216]

約数ペア:

[(1, 20572216), (2, 10286108), (4, 5143054), (7, 2938888), (8, 2571527), (14, 1469444), (28, 734722), (56, 367361), (67, 307048), (134, 153524), (268, 76762), (469, 43864), (536, 38381), (938, 21932), (1876, 10966), (3752, 5483)]