20417866

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18461}}^1$

素因数の和:18549

約数の個数: 16

約数和(自身を含む): 35447040

約数和(自身を除く): 15029174

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 18461, 36922, 129227, 258454, 1458419, 2916838, 10208933, 20417866]

約数ペア:

[(1, 20417866), (2, 10208933), (7, 2916838), (14, 1458419), (79, 258454), (158, 129227), (553, 36922), (1106, 18461)]