20513346

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{971}}^1$

素因数の和:1486

約数の個数: 32

約数和(自身を含む): 47029248

約数和(自身を除く): 26515902

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 503, 971, 1006, 1509, 1942, 2913, 3018, 3521, 5826, 6797, 7042, 10563, 13594, 20391, 21126, 40782, 488413, 976826, 1465239, 2930478, 3418891, 6837782, 10256673, 20513346]

約数ペア:

[(1, 20513346), (2, 10256673), (3, 6837782), (6, 3418891), (7, 2930478), (14, 1465239), (21, 976826), (42, 488413), (503, 40782), (971, 21126), (1006, 20391), (1509, 13594), (1942, 10563), (2913, 7042), (3018, 6797), (3521, 5826)]