20818926

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{39883}}^1$

素因数の和:39920

約数の個数: 24

約数和(自身を含む): 46664280

約数和(自身を除く): 25845354

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 39883, 79766, 119649, 239298, 358947, 717894, 1156607, 2313214, 3469821, 6939642, 10409463, 20818926]

約数ペア:

[(1, 20818926), (2, 10409463), (3, 6939642), (6, 3469821), (9, 2313214), (18, 1156607), (29, 717894), (58, 358947), (87, 239298), (174, 119649), (261, 79766), (522, 39883)]