20970305

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{431}}^1$

素因数の和:736

約数の個数: 16

約数和(自身を含む): 26002944

約数和(自身を除く): 5032639

約数列:

[1, 5, 37, 185, 263, 431, 1315, 2155, 9731, 15947, 48655, 79735, 113353, 566765, 4194061, 20970305]

約数ペア:

[(1, 20970305), (5, 4194061), (37, 566765), (185, 113353), (263, 79735), (431, 48655), (1315, 15947), (2155, 9731)]