20745240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172877}}^1$

素因数の和:172891

約数の個数: 32

約数和(自身を含む): 62236080

約数和(自身を除く): 41490840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172877, 345754, 518631, 691508, 864385, 1037262, 1383016, 1728770, 2074524, 2593155, 3457540, 4149048, 5186310, 6915080, 10372620, 20745240]

約数ペア:

[(1, 20745240), (2, 10372620), (3, 6915080), (4, 5186310), (5, 4149048), (6, 3457540), (8, 2593155), (10, 2074524), (12, 1728770), (15, 1383016), (20, 1037262), (24, 864385), (30, 691508), (40, 518631), (60, 345754), (120, 172877)]