20675115

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5281}}^1$

素因数の和:5324

約数の個数: 32

約数和(自身を含む): 38030400

約数和(自身を除く): 17355285

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 5281, 15843, 26405, 47529, 79215, 142587, 153149, 237645, 459447, 712935, 765745, 1378341, 2297235, 4135023, 6891705, 20675115]

約数ペア:

[(1, 20675115), (3, 6891705), (5, 4135023), (9, 2297235), (15, 1378341), (27, 765745), (29, 712935), (45, 459447), (87, 237645), (135, 153149), (145, 142587), (261, 79215), (435, 47529), (783, 26405), (1305, 15843), (3915, 5281)]