20701730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{683}}^1$

素因数の和:1130

約数の個数: 32

約数和(自身を含む): 42747264

約数和(自身を除く): 22045534

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 433, 683, 866, 1366, 2165, 3031, 3415, 4330, 4781, 6062, 6830, 9562, 15155, 23905, 30310, 47810, 295739, 591478, 1478695, 2070173, 2957390, 4140346, 10350865, 20701730]

約数ペア:

[(1, 20701730), (2, 10350865), (5, 4140346), (7, 2957390), (10, 2070173), (14, 1478695), (35, 591478), (70, 295739), (433, 47810), (683, 30310), (866, 23905), (1366, 15155), (2165, 9562), (3031, 6830), (3415, 6062), (4330, 4781)]