20807727836

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1109}}^1\times {\mathrm{4111}}^1$

素因数の和:5394

約数の個数: 48

約数和(自身を含む): 41918714880

約数和(自身を除く): 21110987044

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1109, 1141, 2218, 2282, 4111, 4436, 4564, 7763, 8222, 15526, 16444, 28777, 31052, 57554, 115108, 180767, 361534, 670093, 723068, 1265369, 1340186, 2530738, 2680372, 4559099, 4690651, 5061476, 9118198, 9381302, 18236396, 18762604, 31913693, 63827386, 127654772, 743133137, 1486266274, 2972532548, 5201931959, 10403863918, 20807727836]

約数ペア:

[(1, 20807727836), (2, 10403863918), (4, 5201931959), (7, 2972532548), (14, 1486266274), (28, 743133137), (163, 127654772), (326, 63827386), (652, 31913693), (1109, 18762604), (1141, 18236396), (2218, 9381302), (2282, 9118198), (4111, 5061476), (4436, 4690651), (4564, 4559099), (7763, 2680372), (8222, 2530738), (15526, 1340186), (16444, 1265369), (28777, 723068), (31052, 670093), (57554, 361534), (115108, 180767)]