20406195

素因数分解:

$3^3\times 5^1\times {\mathrm{151157}}^1$

素因数の和:151171

約数の個数: 16

約数和(自身を含む): 36277920

約数和(自身を除く): 15871725

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151157, 453471, 755785, 1360413, 2267355, 4081239, 6802065, 20406195]

約数ペア:

[(1, 20406195), (3, 6802065), (5, 4081239), (9, 2267355), (15, 1360413), (27, 755785), (45, 453471), (135, 151157)]