20996814

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{839}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 43464960

約数和(自身を除く): 22468146

約数列:

[1, 2, 3, 6, 43, 86, 97, 129, 194, 258, 291, 582, 839, 1678, 2517, 4171, 5034, 8342, 12513, 25026, 36077, 72154, 81383, 108231, 162766, 216462, 244149, 488298, 3499469, 6998938, 10498407, 20996814]

約数ペア:

[(1, 20996814), (2, 10498407), (3, 6998938), (6, 3499469), (43, 488298), (86, 244149), (97, 216462), (129, 162766), (194, 108231), (258, 81383), (291, 72154), (582, 36077), (839, 25026), (1678, 12513), (2517, 8342), (4171, 5034)]