20845917

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{6277}}^1$

素因数の和:6330

約数の個数: 20

約数和(自身を含む): 31904796

約数和(自身を除く): 11058879

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 6277, 18831, 56493, 169479, 257357, 508437, 772071, 2316213, 6948639, 20845917]

約数ペア:

[(1, 20845917), (3, 6948639), (9, 2316213), (27, 772071), (41, 508437), (81, 257357), (123, 169479), (369, 56493), (1107, 18831), (3321, 6277)]