20485878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9203}}^1$

素因数の和:9268

約数の個数: 32

約数和(自身を含む): 47713536

約数和(自身を除く): 27227658

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 9203, 18406, 27609, 55218, 64421, 128842, 193263, 386526, 487759, 975518, 1463277, 2926554, 3414313, 6828626, 10242939, 20485878]

約数ペア:

[(1, 20485878), (2, 10242939), (3, 6828626), (6, 3414313), (7, 2926554), (14, 1463277), (21, 975518), (42, 487759), (53, 386526), (106, 193263), (159, 128842), (318, 64421), (371, 55218), (742, 27609), (1113, 18406), (2226, 9203)]