20128558

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{3967}}^1$

素因数の和:4071

約数の個数: 16

約数和(自身を含む): 31426560

約数和(自身を除く): 11298002

約数列:

[1, 2, 43, 59, 86, 118, 2537, 3967, 5074, 7934, 170581, 234053, 341162, 468106, 10064279, 20128558]

約数ペア:

[(1, 20128558), (2, 10064279), (43, 468106), (59, 341162), (86, 234053), (118, 170581), (2537, 7934), (3967, 5074)]