20801866

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{1019}}^1$

素因数の和:1253

約数の個数: 16

約数和(自身を含む): 31946400

約数和(自身を除く): 11144534

約数列:

[1, 2, 59, 118, 173, 346, 1019, 2038, 10207, 20414, 60121, 120242, 176287, 352574, 10400933, 20801866]

約数ペア:

[(1, 20801866), (2, 10400933), (59, 352574), (118, 176287), (173, 120242), (346, 60121), (1019, 20414), (2038, 10207)]