20736180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115201}}^1$

素因数の和:115216

約数の個数: 36

約数和(自身を含む): 62900292

約数和(自身を除く): 42164112

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115201, 230402, 345603, 460804, 576005, 691206, 1036809, 1152010, 1382412, 1728015, 2073618, 2304020, 3456030, 4147236, 5184045, 6912060, 10368090, 20736180]

約数ペア:

[(1, 20736180), (2, 10368090), (3, 6912060), (4, 5184045), (5, 4147236), (6, 3456030), (9, 2304020), (10, 2073618), (12, 1728015), (15, 1382412), (18, 1152010), (20, 1036809), (30, 691206), (36, 576005), (45, 460804), (60, 345603), (90, 230402), (180, 115201)]