20283975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5303}}^1$

素因数の和:5336

約数の個数: 36

約数和(自身を含む): 38475216

約数和(自身を除く): 18191241

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 5303, 15909, 26515, 47727, 79545, 90151, 132575, 238635, 270453, 397725, 450755, 811359, 1193175, 1352265, 2253775, 4056795, 6761325, 20283975]

約数ペア:

[(1, 20283975), (3, 6761325), (5, 4056795), (9, 2253775), (15, 1352265), (17, 1193175), (25, 811359), (45, 450755), (51, 397725), (75, 270453), (85, 238635), (153, 132575), (225, 90151), (255, 79545), (425, 47727), (765, 26515), (1275, 15909), (3825, 5303)]