20782694

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7703}}^1$

素因数の和:7795

約数の個数: 16

約数和(自身を含む): 33281280

約数和(自身を除く): 12498586

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 7703, 15406, 146357, 292714, 546913, 1093826, 10391347, 20782694]

約数ペア:

[(1, 20782694), (2, 10391347), (19, 1093826), (38, 546913), (71, 292714), (142, 146357), (1349, 15406), (2698, 7703)]