20166972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{587}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 54001920

約数和(自身を除く): 33834948

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 409, 587, 818, 1174, 1227, 1636, 1761, 2348, 2454, 2863, 3522, 4109, 4908, 5726, 7044, 8218, 8589, 11452, 12327, 16436, 17178, 24654, 34356, 49308, 240083, 480166, 720249, 960332, 1440498, 1680581, 2880996, 3361162, 5041743, 6722324, 10083486, 20166972]

約数ペア:

[(1, 20166972), (2, 10083486), (3, 6722324), (4, 5041743), (6, 3361162), (7, 2880996), (12, 1680581), (14, 1440498), (21, 960332), (28, 720249), (42, 480166), (84, 240083), (409, 49308), (587, 34356), (818, 24654), (1174, 17178), (1227, 16436), (1636, 12327), (1761, 11452), (2348, 8589), (2454, 8218), (2863, 7044), (3522, 5726), (4109, 4908)]