20487762

素因数分解:

$2^1\times 3^3\times {\mathrm{461}}^1\times {\mathrm{823}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 45682560

約数和(自身を除く): 25194798

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 461, 823, 922, 1383, 1646, 2469, 2766, 4149, 4938, 7407, 8298, 12447, 14814, 22221, 24894, 44442, 379403, 758806, 1138209, 2276418, 3414627, 6829254, 10243881, 20487762]

約数ペア:

[(1, 20487762), (2, 10243881), (3, 6829254), (6, 3414627), (9, 2276418), (18, 1138209), (27, 758806), (54, 379403), (461, 44442), (823, 24894), (922, 22221), (1383, 14814), (1646, 12447), (2469, 8298), (2766, 7407), (4149, 4938)]