20473695

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 42094080

約数和(自身を除く): 21620385

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 85, 99, 135, 153, 165, 187, 255, 297, 459, 495, 561, 765, 811, 935, 1485, 1683, 2295, 2433, 2805, 4055, 5049, 7299, 8415, 8921, 12165, 13787, 21897, 25245, 26763, 36495, 41361, 44605, 68935, 80289, 109485, 124083, 133815, 151657, 206805, 240867, 372249, 401445, 454971, 620415, 758285, 1204335, 1364913, 1861245, 2274855, 4094739, 6824565, 20473695]

約数ペア:

[(1, 20473695), (3, 6824565), (5, 4094739), (9, 2274855), (11, 1861245), (15, 1364913), (17, 1204335), (27, 758285), (33, 620415), (45, 454971), (51, 401445), (55, 372249), (85, 240867), (99, 206805), (135, 151657), (153, 133815), (165, 124083), (187, 109485), (255, 80289), (297, 68935), (459, 44605), (495, 41361), (561, 36495), (765, 26763), (811, 25245), (935, 21897), (1485, 13787), (1683, 12165), (2295, 8921), (2433, 8415), (2805, 7299), (4055, 5049)]