20817426

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1373}}^1$

素因数の和:1423

約数の個数: 48

約数和(自身を含む): 50255424

約数和(自身を除く): 29437998

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 361, 399, 722, 798, 1083, 1373, 2166, 2527, 2746, 4119, 5054, 7581, 8238, 9611, 15162, 19222, 26087, 28833, 52174, 57666, 78261, 156522, 182609, 365218, 495653, 547827, 991306, 1095654, 1486959, 2973918, 3469571, 6939142, 10408713, 20817426]

約数ペア:

[(1, 20817426), (2, 10408713), (3, 6939142), (6, 3469571), (7, 2973918), (14, 1486959), (19, 1095654), (21, 991306), (38, 547827), (42, 495653), (57, 365218), (114, 182609), (133, 156522), (266, 78261), (361, 57666), (399, 52174), (722, 28833), (798, 26087), (1083, 19222), (1373, 15162), (2166, 9611), (2527, 8238), (2746, 7581), (4119, 5054)]