20481055

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 29248128

約数和(自身を除く): 8767073

約数列:

[1, 5, 7, 35, 53, 61, 181, 265, 305, 371, 427, 905, 1267, 1855, 2135, 3233, 6335, 9593, 11041, 16165, 22631, 47965, 55205, 67151, 77287, 113155, 335755, 386435, 585173, 2925865, 4096211, 20481055]

約数ペア:

[(1, 20481055), (5, 4096211), (7, 2925865), (35, 585173), (53, 386435), (61, 335755), (181, 113155), (265, 77287), (305, 67151), (371, 55205), (427, 47965), (905, 22631), (1267, 16165), (1855, 11041), (2135, 9593), (3233, 6335)]