20037375

素因数分解:

$3^4\times 5^3\times {\mathrm{1979}}^1$

素因数の和:2006

約数の個数: 40

約数和(自身を含む): 37374480

約数和(自身を除く): 17337105

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 1979, 2025, 3375, 5937, 9895, 10125, 17811, 29685, 49475, 53433, 89055, 148425, 160299, 247375, 267165, 445275, 742125, 801495, 1335825, 2226375, 4007475, 6679125, 20037375]

約数ペア:

[(1, 20037375), (3, 6679125), (5, 4007475), (9, 2226375), (15, 1335825), (25, 801495), (27, 742125), (45, 445275), (75, 267165), (81, 247375), (125, 160299), (135, 148425), (225, 89055), (375, 53433), (405, 49475), (675, 29685), (1125, 17811), (1979, 10125), (2025, 9895), (3375, 5937)]