20268325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10529}}^1$

素因数の和:10557

約数の個数: 24

約数和(自身を含む): 31337280

約数和(自身を除く): 11068955

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 10529, 52645, 73703, 115819, 263225, 368515, 579095, 810733, 1842575, 2895475, 4053665, 20268325]

約数ペア:

[(1, 20268325), (5, 4053665), (7, 2895475), (11, 1842575), (25, 810733), (35, 579095), (55, 368515), (77, 263225), (175, 115819), (275, 73703), (385, 52645), (1925, 10529)]