20034987

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 32448000

約数和(自身を除く): 12413013

約数列:

[1, 3, 7, 19, 21, 57, 133, 149, 337, 399, 447, 1011, 1043, 2359, 2831, 3129, 6403, 7077, 8493, 19209, 19817, 44821, 50213, 59451, 134463, 150639, 351491, 954047, 1054473, 2862141, 6678329, 20034987]

約数ペア:

[(1, 20034987), (3, 6678329), (7, 2862141), (19, 1054473), (21, 954047), (57, 351491), (133, 150639), (149, 134463), (337, 59451), (399, 50213), (447, 44821), (1011, 19817), (1043, 19209), (2359, 8493), (2831, 7077), (3129, 6403)]