20427316

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8017}}^1$

素因数の和:8048

約数の個数: 36

約数和(自身を含む): 44788548

約数和(自身を除く): 24361232

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 8017, 16034, 32068, 56119, 104221, 112238, 208442, 224476, 392833, 416884, 729547, 785666, 1459094, 1571332, 2918188, 5106829, 10213658, 20427316]

約数ペア:

[(1, 20427316), (2, 10213658), (4, 5106829), (7, 2918188), (13, 1571332), (14, 1459094), (26, 785666), (28, 729547), (49, 416884), (52, 392833), (91, 224476), (98, 208442), (182, 112238), (196, 104221), (364, 56119), (637, 32068), (1274, 16034), (2548, 8017)]