20754540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115303}}^1$

素因数の和:115318

約数の個数: 36

約数和(自身を含む): 62955984

約数和(自身を除く): 42201444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115303, 230606, 345909, 461212, 576515, 691818, 1037727, 1153030, 1383636, 1729545, 2075454, 2306060, 3459090, 4150908, 5188635, 6918180, 10377270, 20754540]

約数ペア:

[(1, 20754540), (2, 10377270), (3, 6918180), (4, 5188635), (5, 4150908), (6, 3459090), (9, 2306060), (10, 2075454), (12, 1729545), (15, 1383636), (18, 1153030), (20, 1037727), (30, 691818), (36, 576515), (45, 461212), (60, 345909), (90, 230606), (180, 115303)]