20618684

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{919}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 37094400

約数和(自身を除く): 16475716

約数列:

[1, 2, 4, 71, 79, 142, 158, 284, 316, 919, 1838, 3676, 5609, 11218, 22436, 65249, 72601, 130498, 145202, 260996, 290404, 5154671, 10309342, 20618684]

約数ペア:

[(1, 20618684), (2, 10309342), (4, 5154671), (71, 290404), (79, 260996), (142, 145202), (158, 130498), (284, 72601), (316, 65249), (919, 22436), (1838, 11218), (3676, 5609)]