20041892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1997}}^1$

素因数の和:2207

約数の個数: 24

約数和(自身を含む): 37985976

約数和(自身を除く): 17944084

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 1997, 2509, 3994, 5018, 7988, 10036, 25961, 51922, 103844, 385421, 770842, 1541684, 5010473, 10020946, 20041892]

約数ペア:

[(1, 20041892), (2, 10020946), (4, 5010473), (13, 1541684), (26, 770842), (52, 385421), (193, 103844), (386, 51922), (772, 25961), (1997, 10036), (2509, 7988), (3994, 5018)]