20309518

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2713}}^1$

素因数の和:2931

約数の個数: 16

約数和(自身を含む): 32242320

約数和(自身を除く): 11932802

約数列:

[1, 2, 19, 38, 197, 394, 2713, 3743, 5426, 7486, 51547, 103094, 534461, 1068922, 10154759, 20309518]

約数ペア:

[(1, 20309518), (2, 10154759), (19, 1068922), (38, 534461), (197, 103094), (394, 51547), (2713, 7486), (3743, 5426)]