20801174

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{761}}^1$

素因数の和:1015

約数の個数: 16

約数和(自身を含む): 31821120

約数和(自身を除く): 11019946

約数列:

[1, 2, 79, 158, 173, 346, 761, 1522, 13667, 27334, 60119, 120238, 131653, 263306, 10400587, 20801174]

約数ペア:

[(1, 20801174), (2, 10400587), (79, 263306), (158, 131653), (173, 120238), (346, 60119), (761, 27334), (1522, 13667)]