20719034

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 36765696

約数和(自身を除く): 16046662

約数列:

[1, 2, 7, 14, 43, 86, 127, 254, 271, 301, 542, 602, 889, 1778, 1897, 3794, 5461, 10922, 11653, 23306, 34417, 38227, 68834, 76454, 81571, 163142, 240919, 481838, 1479931, 2959862, 10359517, 20719034]

約数ペア:

[(1, 20719034), (2, 10359517), (7, 2959862), (14, 1479931), (43, 481838), (86, 240919), (127, 163142), (254, 81571), (271, 76454), (301, 68834), (542, 38227), (602, 34417), (889, 23306), (1778, 11653), (1897, 10922), (3794, 5461)]