31052020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{36107}}^1$

素因数の和:36159

約数の個数: 24

約数和(自身を含む): 66727584

約数和(自身を除く): 35675564

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 36107, 72214, 144428, 180535, 361070, 722140, 1552601, 3105202, 6210404, 7763005, 15526010, 31052020]

約数ペア:

[(1, 31052020), (2, 15526010), (4, 7763005), (5, 6210404), (10, 3105202), (20, 1552601), (43, 722140), (86, 361070), (172, 180535), (215, 144428), (430, 72214), (860, 36107)]