20168912819

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1\times {\mathrm{937}}^1$

素因数の和:1691

約数の個数: 32

約数和(自身を含む): 23178355200

約数和(自身を除く): 3009442381

約数列:

[1, 11, 23, 149, 253, 571, 937, 1639, 3427, 6281, 10307, 13133, 21551, 37697, 85079, 139613, 144463, 237061, 535027, 935869, 1535743, 1956817, 3211099, 5885297, 12305621, 21524987, 35322089, 79719023, 135361831, 876909253, 1833537529, 20168912819]

約数ペア:

[(1, 20168912819), (11, 1833537529), (23, 876909253), (149, 135361831), (253, 79719023), (571, 35322089), (937, 21524987), (1639, 12305621), (3427, 5885297), (6281, 3211099), (10307, 1956817), (13133, 1535743), (21551, 935869), (37697, 535027), (85079, 237061), (139613, 144463)]