20099660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143569}}^1$

素因数の和:143585

約数の個数: 24

約数和(自身を含む): 48239520

約数和(自身を除く): 28139860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143569, 287138, 574276, 717845, 1004983, 1435690, 2009966, 2871380, 4019932, 5024915, 10049830, 20099660]

約数ペア:

[(1, 20099660), (2, 10049830), (4, 5024915), (5, 4019932), (7, 2871380), (10, 2009966), (14, 1435690), (20, 1004983), (28, 717845), (35, 574276), (70, 287138), (140, 143569)]