20095173

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 36391680

約数和(自身を除く): 16296507

約数列:

[1, 3, 7, 9, 17, 21, 29, 51, 63, 87, 119, 153, 203, 261, 357, 493, 609, 647, 1071, 1479, 1827, 1941, 3451, 4437, 4529, 5823, 10353, 10999, 13587, 18763, 31059, 32997, 40761, 56289, 76993, 98991, 131341, 168867, 230979, 318971, 394023, 692937, 956913, 1182069, 2232797, 2870739, 6698391, 20095173]

約数ペア:

[(1, 20095173), (3, 6698391), (7, 2870739), (9, 2232797), (17, 1182069), (21, 956913), (29, 692937), (51, 394023), (63, 318971), (87, 230979), (119, 168867), (153, 131341), (203, 98991), (261, 76993), (357, 56289), (493, 40761), (609, 32997), (647, 31059), (1071, 18763), (1479, 13587), (1827, 10999), (1941, 10353), (3451, 5823), (4437, 4529)]