19896720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82903}}^1$

素因数の和:82919

約数の個数: 40

約数和(自身を含む): 61680576

約数和(自身を除く): 41783856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82903, 165806, 248709, 331612, 414515, 497418, 663224, 829030, 994836, 1243545, 1326448, 1658060, 1989672, 2487090, 3316120, 3979344, 4974180, 6632240, 9948360, 19896720]

約数ペア:

[(1, 19896720), (2, 9948360), (3, 6632240), (4, 4974180), (5, 3979344), (6, 3316120), (8, 2487090), (10, 1989672), (12, 1658060), (15, 1326448), (16, 1243545), (20, 994836), (24, 829030), (30, 663224), (40, 497418), (48, 414515), (60, 331612), (80, 248709), (120, 165806), (240, 82903)]