20946474

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{839}}^1$

素因数の和:939

約数の個数: 48

約数和(自身を含む): 48484800

約数和(自身を除く): 27538326

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 73, 114, 146, 171, 219, 342, 438, 657, 839, 1314, 1387, 1678, 2517, 2774, 4161, 5034, 7551, 8322, 12483, 15102, 15941, 24966, 31882, 47823, 61247, 95646, 122494, 143469, 183741, 286938, 367482, 551223, 1102446, 1163693, 2327386, 3491079, 6982158, 10473237, 20946474]

約数ペア:

[(1, 20946474), (2, 10473237), (3, 6982158), (6, 3491079), (9, 2327386), (18, 1163693), (19, 1102446), (38, 551223), (57, 367482), (73, 286938), (114, 183741), (146, 143469), (171, 122494), (219, 95646), (342, 61247), (438, 47823), (657, 31882), (839, 24966), (1314, 15941), (1387, 15102), (1678, 12483), (2517, 8322), (2774, 7551), (4161, 5034)]