20156590

素因数分解:

$2^1\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{1601}}^1$

素因数の和:2867

約数の個数: 16

約数和(自身を含む): 36333360

約数和(自身を除く): 16176770

約数列:

[1, 2, 5, 10, 1259, 1601, 2518, 3202, 6295, 8005, 12590, 16010, 2015659, 4031318, 10078295, 20156590]

約数ペア:

[(1, 20156590), (2, 10078295), (5, 4031318), (10, 2015659), (1259, 16010), (1601, 12590), (2518, 8005), (3202, 6295)]