20620922

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{27791}}^1$

素因数の和:27853

約数の個数: 16

約数和(自身を含む): 36018432

約数和(自身を除く): 15397510

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 27791, 55582, 194537, 389074, 1472923, 2945846, 10310461, 20620922]

約数ペア:

[(1, 20620922), (2, 10310461), (7, 2945846), (14, 1472923), (53, 389074), (106, 194537), (371, 55582), (742, 27791)]