20144501991

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{521}}^1\times {\mathrm{48271}}^1$

素因数の和:48887

約数の個数: 24

約数和(自身を含む): 29481641280

約数和(自身を除く): 9337139289

約数列:

[1, 3, 9, 89, 267, 521, 801, 1563, 4689, 46369, 48271, 139107, 144813, 417321, 434439, 4296119, 12888357, 25149191, 38665071, 75447573, 226342719, 2238277999, 6714833997, 20144501991]

約数ペア:

[(1, 20144501991), (3, 6714833997), (9, 2238277999), (89, 226342719), (267, 75447573), (521, 38665071), (801, 25149191), (1563, 12888357), (4689, 4296119), (46369, 434439), (48271, 417321), (139107, 144813)]