20467047

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2741}}^1$

素因数の和:2894

約数の個数: 16

約数和(自身を含む): 28955520

約数和(自身を除く): 8488473

約数列:

[1, 3, 19, 57, 131, 393, 2489, 2741, 7467, 8223, 52079, 156237, 359071, 1077213, 6822349, 20467047]

約数ペア:

[(1, 20467047), (3, 6822349), (19, 1077213), (57, 359071), (131, 156237), (393, 52079), (2489, 8223), (2741, 7467)]