20401095

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9511}}^1$

素因数の和:9543

約数の個数: 32

約数和(自身を含む): 38352384

約数和(自身を除く): 17951289

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 9511, 28533, 47555, 104621, 123643, 142665, 313863, 370929, 523105, 618215, 1360073, 1569315, 1854645, 4080219, 6800365, 20401095]

約数ペア:

[(1, 20401095), (3, 6800365), (5, 4080219), (11, 1854645), (13, 1569315), (15, 1360073), (33, 618215), (39, 523105), (55, 370929), (65, 313863), (143, 142665), (165, 123643), (195, 104621), (429, 47555), (715, 28533), (2145, 9511)]