20565715352

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28249609}}^1$

素因数の和:28249635

約数の個数: 32

約数和(自身を含む): 47459344800

約数和(自身を除く): 26893629448

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28249609, 56499218, 112998436, 197747263, 225996872, 367244917, 395494526, 734489834, 790989052, 1468979668, 1581978104, 2570714419, 2937959336, 5141428838, 10282857676, 20565715352]

約数ペア:

[(1, 20565715352), (2, 10282857676), (4, 5141428838), (7, 2937959336), (8, 2570714419), (13, 1581978104), (14, 1468979668), (26, 790989052), (28, 734489834), (52, 395494526), (56, 367244917), (91, 225996872), (104, 197747263), (182, 112998436), (364, 56499218), (728, 28249609)]