20646806

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1031}}^1$

素因数の和:1100

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 15019114

約数列:

[1, 2, 17, 19, 31, 34, 38, 62, 323, 527, 589, 646, 1031, 1054, 1178, 2062, 10013, 17527, 19589, 20026, 31961, 35054, 39178, 63922, 333013, 543337, 607259, 666026, 1086674, 1214518, 10323403, 20646806]

約数ペア:

[(1, 20646806), (2, 10323403), (17, 1214518), (19, 1086674), (31, 666026), (34, 607259), (38, 543337), (62, 333013), (323, 63922), (527, 39178), (589, 35054), (646, 31961), (1031, 20026), (1054, 19589), (1178, 17527), (2062, 10013)]