20406452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7603}}^1$

素因数の和:7679

約数の個数: 24

約数和(自身を含む): 39601632

約数和(自身を除く): 19195180

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7603, 15206, 30412, 83633, 167266, 334532, 463783, 927566, 1855132, 5101613, 10203226, 20406452]

約数ペア:

[(1, 20406452), (2, 10203226), (4, 5101613), (11, 1855132), (22, 927566), (44, 463783), (61, 334532), (122, 167266), (244, 83633), (671, 30412), (1342, 15206), (2684, 7603)]