20804733288

素因数分解:

$2^3\times 3^2\times {\mathrm{439}}^1\times {\mathrm{658211}}^1$

素因数の和:658662

約数の個数: 48

約数和(自身を含む): 56474589600

約数和(自身を除く): 35669856312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 439, 878, 1317, 1756, 2634, 3512, 3951, 5268, 7902, 10536, 15804, 31608, 658211, 1316422, 1974633, 2632844, 3949266, 5265688, 5923899, 7898532, 11847798, 15797064, 23695596, 47391192, 288954629, 577909258, 866863887, 1155818516, 1733727774, 2311637032, 2600591661, 3467455548, 5201183322, 6934911096, 10402366644, 20804733288]

約数ペア:

[(1, 20804733288), (2, 10402366644), (3, 6934911096), (4, 5201183322), (6, 3467455548), (8, 2600591661), (9, 2311637032), (12, 1733727774), (18, 1155818516), (24, 866863887), (36, 577909258), (72, 288954629), (439, 47391192), (878, 23695596), (1317, 15797064), (1756, 11847798), (2634, 7898532), (3512, 5923899), (3951, 5265688), (5268, 3949266), (7902, 2632844), (10536, 1974633), (15804, 1316422), (31608, 658211)]