20298476

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2467}}^1$

素因数の和:2510

約数の個数: 36

約数和(自身を含む): 41358744

約数和(自身を除く): 21060268

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 242, 374, 484, 748, 2057, 2467, 4114, 4934, 8228, 9868, 27137, 41939, 54274, 83878, 108548, 167756, 298507, 461329, 597014, 922658, 1194028, 1845316, 5074619, 10149238, 20298476]

約数ペア:

[(1, 20298476), (2, 10149238), (4, 5074619), (11, 1845316), (17, 1194028), (22, 922658), (34, 597014), (44, 461329), (68, 298507), (121, 167756), (187, 108548), (242, 83878), (374, 54274), (484, 41939), (748, 27137), (2057, 9868), (2467, 8228), (4114, 4934)]