20189323

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{5351}}^1$

素因数の和:5383

約数の個数: 16

約数和(自身を含む): 25689600

約数和(自身を除く): 5500277

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 5351, 37457, 58861, 262199, 412027, 1835393, 2884189, 20189323]

約数ペア:

[(1, 20189323), (7, 2884189), (11, 1835393), (49, 412027), (77, 262199), (343, 58861), (539, 37457), (3773, 5351)]