20287501899

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4758973}}^1$

素因数の和:4759019

約数の個数: 24

約数和(自身を含む): 32551382160

約数和(自身を除く): 12263880261

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 4758973, 14276919, 33312811, 99938433, 138010217, 233189677, 414030651, 699569031, 966071519, 2898214557, 6762500633, 20287501899]

約数ペア:

[(1, 20287501899), (3, 6762500633), (7, 2898214557), (21, 966071519), (29, 699569031), (49, 414030651), (87, 233189677), (147, 138010217), (203, 99938433), (609, 33312811), (1421, 14276919), (4263, 4758973)]