1553252020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1806107}}^1$

素因数の和:1806159

約数の個数: 24

約数和(自身を含む): 3337687584

約数和(自身を除く): 1784435564

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1806107, 3612214, 7224428, 9030535, 18061070, 36122140, 77662601, 155325202, 310650404, 388313005, 776626010, 1553252020]

約数ペア:

[(1, 1553252020), (2, 776626010), (4, 388313005), (5, 310650404), (10, 155325202), (20, 77662601), (43, 36122140), (86, 18061070), (172, 9030535), (215, 7224428), (430, 3612214), (860, 1806107)]