20297868

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{293}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 49787136

約数和(自身を除く): 29489268

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 251, 276, 293, 502, 586, 753, 879, 1004, 1172, 1506, 1758, 3012, 3516, 5773, 6739, 11546, 13478, 17319, 20217, 23092, 26956, 34638, 40434, 69276, 73543, 80868, 147086, 220629, 294172, 441258, 882516, 1691489, 3382978, 5074467, 6765956, 10148934, 20297868]

約数ペア:

[(1, 20297868), (2, 10148934), (3, 6765956), (4, 5074467), (6, 3382978), (12, 1691489), (23, 882516), (46, 441258), (69, 294172), (92, 220629), (138, 147086), (251, 80868), (276, 73543), (293, 69276), (502, 40434), (586, 34638), (753, 26956), (879, 23092), (1004, 20217), (1172, 17319), (1506, 13478), (1758, 11546), (3012, 6739), (3516, 5773)]