20052775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1627}}^1$

素因数の和:1683

約数の個数: 24

約数和(自身を含む): 27252720

約数和(自身を除く): 7199945

約数列:

[1, 5, 17, 25, 29, 85, 145, 425, 493, 725, 1627, 2465, 8135, 12325, 27659, 40675, 47183, 138295, 235915, 691475, 802111, 1179575, 4010555, 20052775]

約数ペア:

[(1, 20052775), (5, 4010555), (17, 1179575), (25, 802111), (29, 691475), (85, 235915), (145, 138295), (425, 47183), (493, 40675), (725, 27659), (1627, 12325), (2465, 8135)]