20403695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3527}}^1$

素因数の和:3634

約数の個数: 16

約数和(自身を含む): 26671680

約数和(自身を除く): 6267985

約数列:

[1, 5, 13, 65, 89, 445, 1157, 3527, 5785, 17635, 45851, 229255, 313903, 1569515, 4080739, 20403695]

約数ペア:

[(1, 20403695), (5, 4080739), (13, 1569515), (65, 313903), (89, 229255), (445, 45851), (1157, 17635), (3527, 5785)]