20824874

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1098

約数の個数: 32

約数和(自身を含む): 38092800

約数和(自身を除く): 17267926

約数列:

[1, 2, 7, 14, 19, 38, 79, 133, 158, 266, 553, 991, 1106, 1501, 1982, 3002, 6937, 10507, 13874, 18829, 21014, 37658, 78289, 131803, 156578, 263606, 548023, 1096046, 1487491, 2974982, 10412437, 20824874]

約数ペア:

[(1, 20824874), (2, 10412437), (7, 2974982), (14, 1487491), (19, 1096046), (38, 548023), (79, 263606), (133, 156578), (158, 131803), (266, 78289), (553, 37658), (991, 21014), (1106, 18829), (1501, 13874), (1982, 10507), (3002, 6937)]