20121537

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{1439}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 27648000

約数和(自身を除く): 7526463

約数列:

[1, 3, 59, 79, 177, 237, 1439, 4317, 4661, 13983, 84901, 113681, 254703, 341043, 6707179, 20121537]

約数ペア:

[(1, 20121537), (3, 6707179), (59, 341043), (79, 254703), (177, 113681), (237, 84901), (1439, 13983), (4317, 4661)]