20167316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{997}}^1$

素因数の和:1403

約数の個数: 24

約数和(自身を含む): 38143560

約数和(自身を除く): 17976244

約数列:

[1, 2, 4, 13, 26, 52, 389, 778, 997, 1556, 1994, 3988, 5057, 10114, 12961, 20228, 25922, 51844, 387833, 775666, 1551332, 5041829, 10083658, 20167316]

約数ペア:

[(1, 20167316), (2, 10083658), (4, 5041829), (13, 1551332), (26, 775666), (52, 387833), (389, 51844), (778, 25922), (997, 20228), (1556, 12961), (1994, 10114), (3988, 5057)]