20160857886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258472537}}^1$

素因数の和:258472555

約数の個数: 16

約数和(自身を含む): 43423386384

約数和(自身を除く): 23262528498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258472537, 516945074, 775417611, 1550835222, 3360142981, 6720285962, 10080428943, 20160857886]

約数ペア:

[(1, 20160857886), (2, 10080428943), (3, 6720285962), (6, 3360142981), (13, 1550835222), (26, 775417611), (39, 516945074), (78, 258472537)]