20176294580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{711937}}^1$

素因数の和:712068

約数の個数: 48

約数和(自身を含む): 46048149840

約数和(自身を除く): 25871855260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 7085, 14170, 28340, 711937, 1423874, 2847748, 3559685, 7119370, 9255181, 14238740, 18510362, 37020724, 46275905, 77601133, 92551810, 155202266, 185103620, 310404532, 388005665, 776011330, 1008814729, 1552022660, 2017629458, 4035258916, 5044073645, 10088147290, 20176294580]

約数ペア:

[(1, 20176294580), (2, 10088147290), (4, 5044073645), (5, 4035258916), (10, 2017629458), (13, 1552022660), (20, 1008814729), (26, 776011330), (52, 388005665), (65, 310404532), (109, 185103620), (130, 155202266), (218, 92551810), (260, 77601133), (436, 46275905), (545, 37020724), (1090, 18510362), (1417, 14238740), (2180, 9255181), (2834, 7119370), (5668, 3559685), (7085, 2847748), (14170, 1423874), (28340, 711937)]