20104422905

素因数分解:

$5^1\times 7^2\times {\mathrm{1237}}^1\times {\mathrm{66337}}^1$

素因数の和:67593

約数の個数: 24

約数和(自身を含む): 28087243848

約数和(自身を除く): 7982820943

約数列:

[1, 5, 7, 35, 49, 245, 1237, 6185, 8659, 43295, 60613, 66337, 303065, 331685, 464359, 2321795, 3250513, 16252565, 82058869, 410294345, 574412083, 2872060415, 4020884581, 20104422905]

約数ペア:

[(1, 20104422905), (5, 4020884581), (7, 2872060415), (35, 574412083), (49, 410294345), (245, 82058869), (1237, 16252565), (6185, 3250513), (8659, 2321795), (43295, 464359), (60613, 331685), (66337, 303065)]