20339040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42373}}^1$

素因数の和:42391

約数の個数: 48

約数和(自身を含む): 64069488

約数和(自身を除く): 43730448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42373, 84746, 127119, 169492, 211865, 254238, 338984, 423730, 508476, 635595, 677968, 847460, 1016952, 1271190, 1355936, 1694920, 2033904, 2542380, 3389840, 4067808, 5084760, 6779680, 10169520, 20339040]

約数ペア:

[(1, 20339040), (2, 10169520), (3, 6779680), (4, 5084760), (5, 4067808), (6, 3389840), (8, 2542380), (10, 2033904), (12, 1694920), (15, 1355936), (16, 1271190), (20, 1016952), (24, 847460), (30, 677968), (32, 635595), (40, 508476), (48, 423730), (60, 338984), (80, 254238), (96, 211865), (120, 169492), (160, 127119), (240, 84746), (480, 42373)]