20028654

素因数分解:

$2^1\times 3^3\times {\mathrm{421}}^1\times {\mathrm{881}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 44664480

約数和(自身を除く): 24635826

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 421, 842, 881, 1263, 1762, 2526, 2643, 3789, 5286, 7578, 7929, 11367, 15858, 22734, 23787, 47574, 370901, 741802, 1112703, 2225406, 3338109, 6676218, 10014327, 20028654]

約数ペア:

[(1, 20028654), (2, 10014327), (3, 6676218), (6, 3338109), (9, 2225406), (18, 1112703), (27, 741802), (54, 370901), (421, 47574), (842, 23787), (881, 22734), (1263, 15858), (1762, 11367), (2526, 7929), (2643, 7578), (3789, 5286)]