20178390981

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41777207}}^1$

素因数の和:41777240

約数の個数: 16

約数和(自身を含む): 32084895744

約数和(自身を除く): 11906504763

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 41777207, 125331621, 292440449, 877321347, 960875761, 2882627283, 6726130327, 20178390981]

約数ペア:

[(1, 20178390981), (3, 6726130327), (7, 2882627283), (21, 960875761), (23, 877321347), (69, 292440449), (161, 125331621), (483, 41777207)]