20082660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25747}}^1$

素因数の和:25772

約数の個数: 48

約数和(自身を含む): 60559296

約数和(自身を除く): 40476636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25747, 51494, 77241, 102988, 128735, 154482, 257470, 308964, 334711, 386205, 514940, 669422, 772410, 1004133, 1338844, 1544820, 1673555, 2008266, 3347110, 4016532, 5020665, 6694220, 10041330, 20082660]

約数ペア:

[(1, 20082660), (2, 10041330), (3, 6694220), (4, 5020665), (5, 4016532), (6, 3347110), (10, 2008266), (12, 1673555), (13, 1544820), (15, 1338844), (20, 1004133), (26, 772410), (30, 669422), (39, 514940), (52, 386205), (60, 334711), (65, 308964), (78, 257470), (130, 154482), (156, 128735), (195, 102988), (260, 77241), (390, 51494), (780, 25747)]