20754180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115301}}^1$

素因数の和:115316

約数の個数: 36

約数和(自身を含む): 62954892

約数和(自身を除く): 42200712

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115301, 230602, 345903, 461204, 576505, 691806, 1037709, 1153010, 1383612, 1729515, 2075418, 2306020, 3459030, 4150836, 5188545, 6918060, 10377090, 20754180]

約数ペア:

[(1, 20754180), (2, 10377090), (3, 6918060), (4, 5188545), (5, 4150836), (6, 3459030), (9, 2306020), (10, 2075418), (12, 1729515), (15, 1383612), (18, 1153010), (20, 1037709), (30, 691806), (36, 576505), (45, 461204), (60, 345903), (90, 230602), (180, 115301)]