20090928505

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{203669}}^1$

素因数の和:203964

約数の個数: 16

約数和(自身を含む): 24464840400

約数和(自身を除く): 4373911895

約数列:

[1, 5, 109, 181, 545, 905, 19729, 98645, 203669, 1018345, 22199921, 36864089, 110999605, 184320445, 4018185701, 20090928505]

約数ペア:

[(1, 20090928505), (5, 4018185701), (109, 184320445), (181, 110999605), (545, 36864089), (905, 22199921), (19729, 1018345), (98645, 203669)]