20123100255

素因数分解:

$3^1\times 5^1\times {\mathrm{13691}}^1\times {\mathrm{97987}}^1$

素因数の和:111686

約数の個数: 16

約数和(自身を含む): 32199640704

約数和(自身を除く): 12076540449

約数列:

[1, 3, 5, 15, 13691, 41073, 68455, 97987, 205365, 293961, 489935, 1469805, 1341540017, 4024620051, 6707700085, 20123100255]

約数ペア:

[(1, 20123100255), (3, 6707700085), (5, 4024620051), (15, 1341540017), (13691, 1469805), (41073, 489935), (68455, 293961), (97987, 205365)]