20964592

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5179}}^1$

素因数の和:5221

約数の個数: 40

約数和(自身を含む): 46247040

約数和(自身を除く): 25282448

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 5179, 10358, 20716, 41432, 56969, 82864, 113938, 119117, 227876, 238234, 455752, 476468, 911504, 952936, 1310287, 1905872, 2620574, 5241148, 10482296, 20964592]

約数ペア:

[(1, 20964592), (2, 10482296), (4, 5241148), (8, 2620574), (11, 1905872), (16, 1310287), (22, 952936), (23, 911504), (44, 476468), (46, 455752), (88, 238234), (92, 227876), (176, 119117), (184, 113938), (253, 82864), (368, 56969), (506, 41432), (1012, 20716), (2024, 10358), (4048, 5179)]