20955960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58211}}^1$

素因数の和:58228

約数の個数: 48

約数和(自身を含む): 68108040

約数和(自身を除く): 47152080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58211, 116422, 174633, 232844, 291055, 349266, 465688, 523899, 582110, 698532, 873165, 1047798, 1164220, 1397064, 1746330, 2095596, 2328440, 2619495, 3492660, 4191192, 5238990, 6985320, 10477980, 20955960]

約数ペア:

[(1, 20955960), (2, 10477980), (3, 6985320), (4, 5238990), (5, 4191192), (6, 3492660), (8, 2619495), (9, 2328440), (10, 2095596), (12, 1746330), (15, 1397064), (18, 1164220), (20, 1047798), (24, 873165), (30, 698532), (36, 582110), (40, 523899), (45, 465688), (60, 349266), (72, 291055), (90, 232844), (120, 174633), (180, 116422), (360, 58211)]