20706705

素因数分解:

$3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{941}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 37077120

約数和(自身を除く): 16370415

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 163, 489, 815, 941, 1467, 2445, 2823, 4401, 4705, 7335, 8469, 14115, 22005, 25407, 42345, 127035, 153383, 460149, 766915, 1380447, 2300745, 4141341, 6902235, 20706705]

約数ペア:

[(1, 20706705), (3, 6902235), (5, 4141341), (9, 2300745), (15, 1380447), (27, 766915), (45, 460149), (135, 153383), (163, 127035), (489, 42345), (815, 25407), (941, 22005), (1467, 14115), (2445, 8469), (2823, 7335), (4401, 4705)]