20470919

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:446

約数の個数: 16

約数和(自身を含む): 23901696

約数和(自身を除く): 3430777

約数列:

[1, 7, 107, 151, 181, 749, 1057, 1267, 16157, 19367, 27331, 113099, 135569, 191317, 2924417, 20470919]

約数ペア:

[(1, 20470919), (7, 2924417), (107, 191317), (151, 135569), (181, 113099), (749, 27331), (1057, 19367), (1267, 16157)]