20277788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1063}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 37537920

約数和(自身を除く): 17260132

約数列:

[1, 2, 4, 19, 38, 76, 251, 502, 1004, 1063, 2126, 4252, 4769, 9538, 19076, 20197, 40394, 80788, 266813, 533626, 1067252, 5069447, 10138894, 20277788]

約数ペア:

[(1, 20277788), (2, 10138894), (4, 5069447), (19, 1067252), (38, 533626), (76, 266813), (251, 80788), (502, 40394), (1004, 20197), (1063, 19076), (2126, 9538), (4252, 4769)]