20776952

素因数分解:

$2^3\times 7^1\times {\mathrm{563}}^1\times {\mathrm{659}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 44668800

約数和(自身を除く): 23891848

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 563, 659, 1126, 1318, 2252, 2636, 3941, 4504, 4613, 5272, 7882, 9226, 15764, 18452, 31528, 36904, 371017, 742034, 1484068, 2597119, 2968136, 5194238, 10388476, 20776952]

約数ペア:

[(1, 20776952), (2, 10388476), (4, 5194238), (7, 2968136), (8, 2597119), (14, 1484068), (28, 742034), (56, 371017), (563, 36904), (659, 31528), (1126, 18452), (1318, 15764), (2252, 9226), (2636, 7882), (3941, 5272), (4504, 4613)]