20509184

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1036

約数の個数: 40

約数和(自身を含む): 42020748

約数和(自身を除く): 21511564

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 512, 656, 977, 1312, 1954, 2624, 3908, 5248, 7816, 10496, 15632, 20992, 31264, 40057, 62528, 80114, 125056, 160228, 250112, 320456, 500224, 640912, 1281824, 2563648, 5127296, 10254592, 20509184]

約数ペア:

[(1, 20509184), (2, 10254592), (4, 5127296), (8, 2563648), (16, 1281824), (32, 640912), (41, 500224), (64, 320456), (82, 250112), (128, 160228), (164, 125056), (256, 80114), (328, 62528), (512, 40057), (656, 31264), (977, 20992), (1312, 15632), (1954, 10496), (2624, 7816), (3908, 5248)]