20525752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8581}}^1$

素因数の和:8623

約数の個数: 32

約数和(自身を含む): 43253280

約数和(自身を除く): 22727528

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8581, 17162, 34324, 68648, 111553, 197363, 223106, 394726, 446212, 789452, 892424, 1578904, 2565719, 5131438, 10262876, 20525752]

約数ペア:

[(1, 20525752), (2, 10262876), (4, 5131438), (8, 2565719), (13, 1578904), (23, 892424), (26, 789452), (46, 446212), (52, 394726), (92, 223106), (104, 197363), (184, 111553), (299, 68648), (598, 34324), (1196, 17162), (2392, 8581)]