20548560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85619}}^1$

素因数の和:85635

約数の個数: 40

約数和(自身を含む): 63701280

約数和(自身を除く): 43152720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85619, 171238, 256857, 342476, 428095, 513714, 684952, 856190, 1027428, 1284285, 1369904, 1712380, 2054856, 2568570, 3424760, 4109712, 5137140, 6849520, 10274280, 20548560]

約数ペア:

[(1, 20548560), (2, 10274280), (3, 6849520), (4, 5137140), (5, 4109712), (6, 3424760), (8, 2568570), (10, 2054856), (12, 1712380), (15, 1369904), (16, 1284285), (20, 1027428), (24, 856190), (30, 684952), (40, 513714), (48, 428095), (60, 342476), (80, 256857), (120, 171238), (240, 85619)]