20173405

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18593}}^1$

素因数の和:18636

約数の個数: 16

約数和(自身を含む): 28560384

約数和(自身を除く): 8386979

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 18593, 92965, 130151, 576383, 650755, 2881915, 4034681, 20173405]

約数ペア:

[(1, 20173405), (5, 4034681), (7, 2881915), (31, 650755), (35, 576383), (155, 130151), (217, 92965), (1085, 18593)]