20483408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{643}}^1$

素因数の和:843

約数の個数: 40

約数和(自身を含む): 43601376

約数和(自身を除く): 23117968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 181, 362, 643, 724, 1286, 1448, 1991, 2572, 2896, 3982, 5144, 7073, 7964, 10288, 14146, 15928, 28292, 31856, 56584, 113168, 116383, 232766, 465532, 931064, 1280213, 1862128, 2560426, 5120852, 10241704, 20483408]

約数ペア:

[(1, 20483408), (2, 10241704), (4, 5120852), (8, 2560426), (11, 1862128), (16, 1280213), (22, 931064), (44, 465532), (88, 232766), (176, 116383), (181, 113168), (362, 56584), (643, 31856), (724, 28292), (1286, 15928), (1448, 14146), (1991, 10288), (2572, 7964), (2896, 7073), (3982, 5144)]