20669922

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12619}}^1$

素因数の和:12647

約数の個数: 48

約数和(自身を含む): 55124160

約数和(自身を除く): 34454238

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12619, 25238, 37857, 75714, 88333, 113571, 164047, 176666, 227142, 264999, 328094, 492141, 529998, 794997, 984282, 1148329, 1476423, 1589994, 2296658, 2952846, 3444987, 6889974, 10334961, 20669922]

約数ペア:

[(1, 20669922), (2, 10334961), (3, 6889974), (6, 3444987), (7, 2952846), (9, 2296658), (13, 1589994), (14, 1476423), (18, 1148329), (21, 984282), (26, 794997), (39, 529998), (42, 492141), (63, 328094), (78, 264999), (91, 227142), (117, 176666), (126, 164047), (182, 113571), (234, 88333), (273, 75714), (546, 37857), (819, 25238), (1638, 12619)]