20406612

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{691}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 50222592

約数和(自身を除く): 29815980

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 107, 138, 214, 276, 321, 428, 642, 691, 1284, 1382, 2073, 2461, 2764, 4146, 4922, 7383, 8292, 9844, 14766, 15893, 29532, 31786, 47679, 63572, 73937, 95358, 147874, 190716, 221811, 295748, 443622, 887244, 1700551, 3401102, 5101653, 6802204, 10203306, 20406612]

約数ペア:

[(1, 20406612), (2, 10203306), (3, 6802204), (4, 5101653), (6, 3401102), (12, 1700551), (23, 887244), (46, 443622), (69, 295748), (92, 221811), (107, 190716), (138, 147874), (214, 95358), (276, 73937), (321, 63572), (428, 47679), (642, 31786), (691, 29532), (1284, 15893), (1382, 14766), (2073, 9844), (2461, 8292), (2764, 7383), (4146, 4922)]