20002153195

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{138793}}^1$

素因数の和:138895

約数の個数: 32

約数和(自身を含む): 26581826880

約数和(自身を除く): 6579673685

約数列:

[1, 5, 19, 37, 41, 95, 185, 205, 703, 779, 1517, 3515, 3895, 7585, 28823, 138793, 144115, 693965, 2637067, 5135341, 5690513, 13185335, 25676705, 28452565, 97571479, 108119747, 210548981, 487857395, 540598735, 1052744905, 4000430639, 20002153195]

約数ペア:

[(1, 20002153195), (5, 4000430639), (19, 1052744905), (37, 540598735), (41, 487857395), (95, 210548981), (185, 108119747), (205, 97571479), (703, 28452565), (779, 25676705), (1517, 13185335), (3515, 5690513), (3895, 5135341), (7585, 2637067), (28823, 693965), (138793, 144115)]