20503836

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{33503}}^1$

素因数の和:33530

約数の個数: 36

約数和(自身を含む): 54879552

約数和(自身を除く): 34375716

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 33503, 67006, 100509, 134012, 201018, 301527, 402036, 569551, 603054, 1139102, 1206108, 1708653, 2278204, 3417306, 5125959, 6834612, 10251918, 20503836]

約数ペア:

[(1, 20503836), (2, 10251918), (3, 6834612), (4, 5125959), (6, 3417306), (9, 2278204), (12, 1708653), (17, 1206108), (18, 1139102), (34, 603054), (36, 569551), (51, 402036), (68, 301527), (102, 201018), (153, 134012), (204, 100509), (306, 67006), (612, 33503)]