20996482

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2237}}^1$

素因数の和:2290

約数の個数: 24

約数和(自身を含む): 35812476

約数和(自身を除く): 14815994

約数列:

[1, 2, 13, 19, 26, 38, 247, 361, 494, 722, 2237, 4474, 4693, 9386, 29081, 42503, 58162, 85006, 552539, 807557, 1105078, 1615114, 10498241, 20996482]

約数ペア:

[(1, 20996482), (2, 10498241), (13, 1615114), (19, 1105078), (26, 807557), (38, 552539), (247, 85006), (361, 58162), (494, 42503), (722, 29081), (2237, 9386), (4474, 4693)]