20049890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{286427}}^1$

素因数の和:286441

約数の個数: 16

約数和(自身を含む): 41245632

約数和(自身を除く): 21195742

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 286427, 572854, 1432135, 2004989, 2864270, 4009978, 10024945, 20049890]

約数ペア:

[(1, 20049890), (2, 10024945), (5, 4009978), (7, 2864270), (10, 2004989), (14, 1432135), (35, 572854), (70, 286427)]