20434918

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4519}}^1$

素因数の和:4564

約数の個数: 32

約数和(自身を含む): 39052800

約数和(自身を除く): 18617882

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4519, 4522, 9038, 31633, 63266, 76823, 85861, 153646, 171722, 537761, 601027, 1075522, 1202054, 1459637, 2919274, 10217459, 20434918]

約数ペア:

[(1, 20434918), (2, 10217459), (7, 2919274), (14, 1459637), (17, 1202054), (19, 1075522), (34, 601027), (38, 537761), (119, 171722), (133, 153646), (238, 85861), (266, 76823), (323, 63266), (646, 31633), (2261, 9038), (4519, 4522)]