20772754

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{607}}^1$

素因数の和:921

約数の個数: 16

約数和(自身を含む): 31781376

約数和(自身を除く): 11008622

約数列:

[1, 2, 71, 142, 241, 482, 607, 1214, 17111, 34222, 43097, 86194, 146287, 292574, 10386377, 20772754]

約数ペア:

[(1, 20772754), (2, 10386377), (71, 292574), (142, 146287), (241, 86194), (482, 43097), (607, 34222), (1214, 17111)]