20580240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85751}}^1$

素因数の和:85767

約数の個数: 40

約数和(自身を含む): 63799488

約数和(自身を除く): 43219248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85751, 171502, 257253, 343004, 428755, 514506, 686008, 857510, 1029012, 1286265, 1372016, 1715020, 2058024, 2572530, 3430040, 4116048, 5145060, 6860080, 10290120, 20580240]

約数ペア:

[(1, 20580240), (2, 10290120), (3, 6860080), (4, 5145060), (5, 4116048), (6, 3430040), (8, 2572530), (10, 2058024), (12, 1715020), (15, 1372016), (16, 1286265), (20, 1029012), (24, 857510), (30, 686008), (40, 514506), (48, 428755), (60, 343004), (80, 257253), (120, 171502), (240, 85751)]