20887512

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{16421}}^1$

素因数の和:16483

約数の個数: 32

約数和(自身を含む): 53207280

約数和(自身を除く): 32319768

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16421, 32842, 49263, 65684, 98526, 131368, 197052, 394104, 870313, 1740626, 2610939, 3481252, 5221878, 6962504, 10443756, 20887512]

約数ペア:

[(1, 20887512), (2, 10443756), (3, 6962504), (4, 5221878), (6, 3481252), (8, 2610939), (12, 1740626), (24, 870313), (53, 394104), (106, 197052), (159, 131368), (212, 98526), (318, 65684), (424, 49263), (636, 32842), (1272, 16421)]