20189917433

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1\times {\mathrm{128837}}^1$

素因数の和:129272

約数の個数: 16

約数和(自身を含む): 23516542464

約数和(自身を除く): 3326625031

約数列:

[1, 7, 61, 367, 427, 2569, 22387, 128837, 156709, 901859, 7859057, 47283179, 55013399, 330982253, 2884273919, 20189917433]

約数ペア:

[(1, 20189917433), (7, 2884273919), (61, 330982253), (367, 55013399), (427, 47283179), (2569, 7859057), (22387, 901859), (128837, 156709)]