20253886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7507}}^1$

素因数の和:7599

約数の個数: 16

約数和(自身を含む): 32434560

約数和(自身を除く): 12180674

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 7507, 15014, 142633, 285266, 532997, 1065994, 10126943, 20253886]

約数ペア:

[(1, 20253886), (2, 10126943), (19, 1065994), (38, 532997), (71, 285266), (142, 142633), (1349, 15014), (2698, 7507)]