20423286

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 49996800

約数和(自身を除く): 29573514

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 47, 54, 78, 94, 117, 141, 234, 282, 351, 423, 611, 619, 702, 846, 1222, 1238, 1269, 1833, 1857, 2538, 3666, 3714, 5499, 5571, 8047, 10998, 11142, 16094, 16497, 16713, 24141, 29093, 32994, 33426, 48282, 58186, 72423, 87279, 144846, 174558, 217269, 261837, 378209, 434538, 523674, 756418, 785511, 1134627, 1571022, 2269254, 3403881, 6807762, 10211643, 20423286]

約数ペア:

[(1, 20423286), (2, 10211643), (3, 6807762), (6, 3403881), (9, 2269254), (13, 1571022), (18, 1134627), (26, 785511), (27, 756418), (39, 523674), (47, 434538), (54, 378209), (78, 261837), (94, 217269), (117, 174558), (141, 144846), (234, 87279), (282, 72423), (351, 58186), (423, 48282), (611, 33426), (619, 32994), (702, 29093), (846, 24141), (1222, 16713), (1238, 16497), (1269, 16094), (1833, 11142), (1857, 10998), (2538, 8047), (3666, 5571), (3714, 5499)]