20740307

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1439}}^1$

素因数の和:1546

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 4142893

約数列:

[1, 7, 29, 71, 203, 497, 1439, 2059, 10073, 14413, 41731, 102169, 292117, 715183, 2962901, 20740307]

約数ペア:

[(1, 20740307), (7, 2962901), (29, 715183), (71, 292117), (203, 102169), (497, 41731), (1439, 14413), (2059, 10073)]