20660874

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7159}}^1$

素因数の和:7214

約数の個数: 32

約数和(自身を含む): 45709440

約数和(自身を除く): 25048566

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 7159, 14318, 21477, 42954, 93067, 186134, 264883, 279201, 529766, 558402, 794649, 1589298, 3443479, 6886958, 10330437, 20660874]

約数ペア:

[(1, 20660874), (2, 10330437), (3, 6886958), (6, 3443479), (13, 1589298), (26, 794649), (37, 558402), (39, 529766), (74, 279201), (78, 264883), (111, 186134), (222, 93067), (481, 42954), (962, 21477), (1443, 14318), (2886, 7159)]