20049680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35803}}^1$

素因数の和:35823

約数の個数: 40

約数和(自身を含む): 53276352

約数和(自身を除く): 33226672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35803, 71606, 143212, 179015, 250621, 286424, 358030, 501242, 572848, 716060, 1002484, 1253105, 1432120, 2004968, 2506210, 2864240, 4009936, 5012420, 10024840, 20049680]

約数ペア:

[(1, 20049680), (2, 10024840), (4, 5012420), (5, 4009936), (7, 2864240), (8, 2506210), (10, 2004968), (14, 1432120), (16, 1253105), (20, 1002484), (28, 716060), (35, 572848), (40, 501242), (56, 358030), (70, 286424), (80, 250621), (112, 179015), (140, 143212), (280, 71606), (560, 35803)]