20674242

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1079

約数の個数: 48

約数和(自身を含む): 47973120

約数和(自身を除く): 27298878

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 61, 114, 122, 171, 183, 342, 366, 549, 991, 1098, 1159, 1982, 2318, 2973, 3477, 5946, 6954, 8919, 10431, 17838, 18829, 20862, 37658, 56487, 60451, 112974, 120902, 169461, 181353, 338922, 362706, 544059, 1088118, 1148569, 2297138, 3445707, 6891414, 10337121, 20674242]

約数ペア:

[(1, 20674242), (2, 10337121), (3, 6891414), (6, 3445707), (9, 2297138), (18, 1148569), (19, 1088118), (38, 544059), (57, 362706), (61, 338922), (114, 181353), (122, 169461), (171, 120902), (183, 112974), (342, 60451), (366, 56487), (549, 37658), (991, 20862), (1098, 18829), (1159, 17838), (1982, 10431), (2318, 8919), (2973, 6954), (3477, 5946)]