20313965

素因数分解:

$5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1259}}^1$

素因数の和:1732

約数の個数: 16

約数和(自身を含む): 27941760

約数和(自身を除く): 7627795

約数列:

[1, 5, 7, 35, 461, 1259, 2305, 3227, 6295, 8813, 16135, 44065, 580399, 2901995, 4062793, 20313965]

約数ペア:

[(1, 20313965), (5, 4062793), (7, 2901995), (35, 580399), (461, 44065), (1259, 16135), (2305, 8813), (3227, 6295)]