20363728

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16529}}^1$

素因数の和:16555

約数の個数: 40

約数和(自身を含む): 49193280

約数和(自身を除く): 28829552

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16529, 33058, 66116, 115703, 132232, 181819, 231406, 264464, 363638, 462812, 727276, 925624, 1272733, 1454552, 1851248, 2545466, 2909104, 5090932, 10181864, 20363728]

約数ペア:

[(1, 20363728), (2, 10181864), (4, 5090932), (7, 2909104), (8, 2545466), (11, 1851248), (14, 1454552), (16, 1272733), (22, 925624), (28, 727276), (44, 462812), (56, 363638), (77, 264464), (88, 231406), (112, 181819), (154, 132232), (176, 115703), (308, 66116), (616, 33058), (1232, 16529)]