20166664

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2749}}^1$

素因数の和:2893

約数の個数: 32

約数和(自身を含む): 43560000

約数和(自身を除く): 23393336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 2749, 3668, 5498, 7336, 10996, 19243, 21992, 38486, 76972, 153944, 360119, 720238, 1440476, 2520833, 2880952, 5041666, 10083332, 20166664]

約数ペア:

[(1, 20166664), (2, 10083332), (4, 5041666), (7, 2880952), (8, 2520833), (14, 1440476), (28, 720238), (56, 360119), (131, 153944), (262, 76972), (524, 38486), (917, 21992), (1048, 19243), (1834, 10996), (2749, 7336), (3668, 5498)]