20050960

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4729}}^1$

素因数の和:4795

約数の個数: 40

約数和(自身を含む): 47508120

約数和(自身を除く): 27457160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 4729, 9458, 18916, 23645, 37832, 47290, 75664, 94580, 189160, 250637, 378320, 501274, 1002548, 1253185, 2005096, 2506370, 4010192, 5012740, 10025480, 20050960]

約数ペア:

[(1, 20050960), (2, 10025480), (4, 5012740), (5, 4010192), (8, 2506370), (10, 2005096), (16, 1253185), (20, 1002548), (40, 501274), (53, 378320), (80, 250637), (106, 189160), (212, 94580), (265, 75664), (424, 47290), (530, 37832), (848, 23645), (1060, 18916), (2120, 9458), (4240, 4729)]