20136075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{929}}^1$

素因数の和:976

約数の個数: 36

約数和(自身を含む): 35403240

約数和(自身を除く): 15267165

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 289, 425, 867, 929, 1275, 1445, 2787, 4335, 4645, 7225, 13935, 15793, 21675, 23225, 47379, 69675, 78965, 236895, 268481, 394825, 805443, 1184475, 1342405, 4027215, 6712025, 20136075]

約数ペア:

[(1, 20136075), (3, 6712025), (5, 4027215), (15, 1342405), (17, 1184475), (25, 805443), (51, 394825), (75, 268481), (85, 236895), (255, 78965), (289, 69675), (425, 47379), (867, 23225), (929, 21675), (1275, 15793), (1445, 13935), (2787, 7225), (4335, 4645)]