20859801904

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{673}}^1\times {\mathrm{36551}}^1$

素因数の和:37285

約数の個数: 40

約数和(自身を含む): 41240744352

約数和(自身を除く): 20380942448

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 673, 848, 1346, 2692, 5384, 10768, 35669, 36551, 71338, 73102, 142676, 146204, 285352, 292408, 570704, 584816, 1937203, 3874406, 7748812, 15497624, 24598823, 30995248, 49197646, 98395292, 196790584, 393581168, 1303737619, 2607475238, 5214950476, 10429900952, 20859801904]

約数ペア:

[(1, 20859801904), (2, 10429900952), (4, 5214950476), (8, 2607475238), (16, 1303737619), (53, 393581168), (106, 196790584), (212, 98395292), (424, 49197646), (673, 30995248), (848, 24598823), (1346, 15497624), (2692, 7748812), (5384, 3874406), (10768, 1937203), (35669, 584816), (36551, 570704), (71338, 292408), (73102, 285352), (142676, 146204)]