20981732

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{947}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 38223360

約数和(自身を除く): 17241628

約数列:

[1, 2, 4, 29, 58, 116, 191, 382, 764, 947, 1894, 3788, 5539, 11078, 22156, 27463, 54926, 109852, 180877, 361754, 723508, 5245433, 10490866, 20981732]

約数ペア:

[(1, 20981732), (2, 10490866), (4, 5245433), (29, 723508), (58, 361754), (116, 180877), (191, 109852), (382, 54926), (764, 27463), (947, 22156), (1894, 11078), (3788, 5539)]