20865230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{569}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 39808800

約数和(自身を除く): 18943570

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 193, 386, 569, 965, 1138, 1930, 2845, 3667, 5690, 7334, 10811, 18335, 21622, 36670, 54055, 108110, 109817, 219634, 549085, 1098170, 2086523, 4173046, 10432615, 20865230]

約数ペア:

[(1, 20865230), (2, 10432615), (5, 4173046), (10, 2086523), (19, 1098170), (38, 549085), (95, 219634), (190, 109817), (193, 108110), (386, 54055), (569, 36670), (965, 21622), (1138, 18335), (1930, 10811), (2845, 7334), (3667, 5690)]