20491434

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{12241}}^1$

素因数の和:12283

約数の個数: 32

約数和(自身を含む): 47009280

約数和(自身を除く): 26517846

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 12241, 24482, 36723, 73446, 110169, 220338, 330507, 379471, 661014, 758942, 1138413, 2276826, 3415239, 6830478, 10245717, 20491434]

約数ペア:

[(1, 20491434), (2, 10245717), (3, 6830478), (6, 3415239), (9, 2276826), (18, 1138413), (27, 758942), (31, 661014), (54, 379471), (62, 330507), (93, 220338), (186, 110169), (279, 73446), (558, 36723), (837, 24482), (1674, 12241)]