20798645

素因数分解:

$5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3079}}^1$

素因数の和:3284

約数の個数: 16

約数和(自身を含む): 28680960

約数和(自身を除く): 7882315

約数列:

[1, 5, 7, 35, 193, 965, 1351, 3079, 6755, 15395, 21553, 107765, 594247, 2971235, 4159729, 20798645]

約数ペア:

[(1, 20798645), (5, 4159729), (7, 2971235), (35, 594247), (193, 107765), (965, 21553), (1351, 15395), (3079, 6755)]