20487348

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81299}}^1$

素因数の和:81316

約数の個数: 36

約数和(自身を含む): 59186400

約数和(自身を除く): 38699052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81299, 162598, 243897, 325196, 487794, 569093, 731691, 975588, 1138186, 1463382, 1707279, 2276372, 2926764, 3414558, 5121837, 6829116, 10243674, 20487348]

約数ペア:

[(1, 20487348), (2, 10243674), (3, 6829116), (4, 5121837), (6, 3414558), (7, 2926764), (9, 2276372), (12, 1707279), (14, 1463382), (18, 1138186), (21, 975588), (28, 731691), (36, 569093), (42, 487794), (63, 325196), (84, 243897), (126, 162598), (252, 81299)]